How to Upgrade Windows Home to Pro Without Losing Files

17 July 2026
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How to Upgrade Windows Home to Pro Without Losing Files

How to Upgrade Windows Home to Pro Without Losing Files: The Complete Guide

Do you have a computer running Windows Home edition and want to upgrade to Windows Pro without formatting or losing any of your files and programs? You've come to the right place. In this comprehensive guide, we will explain everything you need to know about upgrading from Windows Home to Pro in a safe and easy way, while keeping all your data intact.

Upgrading from the Home edition to Pro is one of the most sought-after processes among users, especially those who need advanced features such as BitLocker for data encryption, Remote Desktop for remote connections, or Hyper-V for running virtual machines. The good news is that Microsoft provides an official upgrade path without requiring a full system reinstallation.

In this article, we will cover everything you need to know: from the differences between the two editions, to the basic requirements, and finally the practical steps for upgrading. Read on to learn the optimal way to upgrade to Windows Pro.



Key Differences Between Windows Home and Windows Pro

Before you begin the upgrade process, it is important to understand what you will gain after moving to the Pro edition. The Home edition is designed for everyday users, while the Pro edition targets professionals and small businesses. Here is a comparison table highlighting the main differences between the two editions:

FeatureWindows HomeWindows Pro
BitLocker (Drive Encryption)Not availableAvailable
Remote DesktopClient onlyHost and client
Hyper-V (Virtual Machines)Not availableAvailable
Windows Sandbox (Safe Testing Environment)Not availableAvailable
Group Policy ManagementLimitedFull
Domain JoinNot availableAvailable
RAM SupportUp to 128 GBUp to 2 TB
Processor SupportUp to 64 coresUp to 128 cores
Multiple CPU Support1 processorUp to 2 processors
Windows Information ProtectionNot availableAvailable
Assigned AccessNot availableAvailable
Microsoft Store for BusinessNot availableAvailable

If you need any of these advanced features, upgrading to Windows Pro will be the ideal choice for you.



Prerequisites Before Upgrading

Before starting the upgrade process from Windows Home to Pro, there are several requirements and important points to consider to ensure a successful upgrade:

1. A Genuine Windows Pro Product Key

The essential requirement for upgrading is having a genuine product key for the Pro edition. The key must be compatible with the version of Windows installed on your device (Windows 10 or Windows 11).

2. A Stable Internet Connection

The upgrade process requires an internet connection to download the additional components needed for the Pro edition. Make sure your connection is stable and not metered.

3. Sufficient Storage Space

Ensure you have enough free space on your hard drive. The upgrade process typically requires 10–20 GB of free space.

4. Backup (Optional but Recommended)

Although the upgrade process is safe and does not result in file loss, it is always wise to back up your important files before starting.

5. Ensure Current Windows Is Activated

The Windows Home edition installed on your device must be activated before attempting the upgrade.


Method 1: Upgrading Using a Product Key

This is the easiest and fastest way to upgrade from Windows Home to Pro. All you need is a genuine Pro edition product key.

Step 1: Open Upgrade Settings

  1. Click the Start button, then the Settings ⚙️ icon.
  2. Go to System.
  3. Select Activation from the sidebar.

Step 2: Change the Product Key

  1. On the Activation page, look for the Upgrade your edition of Windows section or Change product key.
  2. Click the Change button next to the change product key option.
  3. A pop-up window will appear asking you to enter the new product key.

Step 3: Enter the Windows Pro Key

  1. Enter your Pro edition product key in the designated field.
  2. Make sure you enter the key correctly (25 characters divided into 5 groups).
  3. Click Next.

Step 4: Start the Upgrade Process

  1. Windows will verify the validity of the key.
  2. If the key is valid, a message will appear confirming that the upgrade is ready to begin.
  3. Click Start to begin the upgrade process.

Step 5: Wait for the Upgrade to Complete

  1. Windows will download the necessary additional components.
  2. The device may restart several times during the process.
  3. Do not turn off the device or disconnect it from power during the upgrade.
  4. Once the process is complete, your device will boot into Windows Pro with all your files and programs preserved.

Important Note: The upgrade process can take anywhere from 15 minutes to a full hour depending on your device speed and internet connection.

Method 2: Upgrading via the Microsoft Store

In some cases, you can upgrade directly through the Microsoft Store. This method is useful if you prefer a direct digital purchase.

Steps:

  1. Open Settings > System > Activation.
  2. Look for the Go to Microsoft Store option.
  3. You will find an option to purchase an upgrade to Windows Pro.
  4. Follow the instructions to complete the purchase.
  5. After purchase, the upgrade will begin automatically.

Note: The upgrade price through the Microsoft Store may be higher than purchasing a standalone product key.

Method 3: Upgrading Using the DISM Tool (For Advanced Users)

If you are an advanced user and prefer using the command line, you can use the DISM tool to upgrade. This method is also useful if you encounter issues with the previous methods.

Steps:

  1. Open Command Prompt as Administrator.
  2. Type the following command to check the current edition:

dism /online /get-currentedition


  1. Type the following command to see the available target editions:

dism /online /get-targeteditions


  1. If Professional appears in the list, type the following command to start the upgrade:

dism /online /set-edition:Professional /productkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /accepteula


Replace XXXXX-XXXXX-XXXXX-XXXXX-XXXXX with your actual Pro product key.

  1. Wait for the process to complete, then restart your device.

What Happens to My Files and Programs After the Upgrade?

One of the biggest concerns users have when considering an upgrade is the fate of their files and programs. Let's clarify this point clearly:

Personal Files

All your personal files — documents, photos, videos, music, and more — will remain exactly as they are without any changes. The upgrade process does not touch user folders.

Programs and Applications

All programs installed on your device will remain intact and will function normally after the upgrade. There is no need to reinstall any program.

Personal Settings

Personal Windows settings such as desktop wallpaper, themes, taskbar settings, and more will be preserved.

What Actually Changes?

What changes is the addition of the advanced features specific to the Pro edition that were locked in the Home edition. These features will be activated and become available for use immediately after the upgrade is complete.

Windows Pro Features You Will Gain After the Upgrade

After successfully completing the upgrade, you will have access to a wide range of advanced features. Here are the most notable ones:

1. BitLocker – Drive Encryption

BitLocker is a built-in encryption tool that allows you to protect your data by encrypting the entire hard drive. If your device is lost or stolen, no one will be able to access your data without the password.

2. Remote Desktop

Using Remote Desktop, you can connect to your computer remotely from anywhere in the world. This feature is very useful for remote work or accessing your files while traveling.

3. Hyper-V – Virtual Machines

Hyper-V is a built-in virtualization platform that allows you to run other operating systems within Windows. You can, for example, run Linux or another version of Windows inside a virtual machine.

4. Windows Sandbox – Safe Testing Environment

Windows Sandbox is a completely isolated environment that allows you to run suspicious programs or test new applications without affecting your main system. When you close the Sandbox, everything is deleted.

5. Group Policy Editor

The Group Policy Editor gives you full control over advanced Windows settings, and is particularly useful for system administrators and advanced users.

Common Issues During the Upgrade and How to Fix Them

You may encounter some issues during the upgrade process. Here are the most common problems and their solutions:

Issue 1: Product Key Not Accepted

Cause: The key may be incorrect or incompatible with your version of Windows.

Solution:

  • Make sure you entered the key correctly.
  • Ensure the key is intended for the Pro edition and not another edition.
  • Verify that the key is compatible with your Windows version (10 or 11).

Issue 2: Error 0x8007007B or 0x803FA067

Cause: An activation issue or a problem connecting to Microsoft servers.

Solution:

  • Check your internet connection.
  • Temporarily disable antivirus software.
  • Try running the Activation troubleshooter from Settings.

Issue 3: Upgrade Stuck at a Certain Percentage

Cause: There may be a conflict with a specific program or a connection issue.

Solution:

  • Be patient, as some stages may take longer than others.
  • If the issue persists for more than two hours, restart your device and try again.

Issue 4: Upgrade Option Not Appearing

Cause: The current Windows edition may not be activated.

Solution:

  • Make sure Windows Home is activated first.
  • Go to Settings > Activation and check the activation status.

Important Tips Before and During the Upgrade

To ensure a smooth and successful upgrade experience, here are some important tips:

  1. Do not turn off the device during the upgrade: Doing so may corrupt the system.
  2. Keep the device plugged in: If you are using a laptop, make sure it is connected to the charger.
  3. Close all open programs: Before starting the upgrade, save your work and close all applications.
  4. Temporarily disable antivirus software: Some security programs may interfere with the upgrade process.
  5. Ensure sufficient storage space: Running out of space may cause the upgrade to fail.
  6. Check device compatibility: Make sure your device meets the Pro edition requirements.
  7. Use a genuine product key: Non-genuine keys may lead to activation issues later.

Can You Go Back to Windows Home After the Upgrade?

Theoretically, Microsoft does not provide a direct option to downgrade from Pro to Home. However, there are some scenarios:

  • If you just upgraded: You may be able to use the "Go back to the previous version" option within 10 days of the upgrade.
  • After 10 days have passed: You will need to perform a clean installation of Windows Home (with formatting), which means losing your files.

Therefore, make sure you want to upgrade before starting, as going back is not easy.

Upgrading from Windows 10 Home to Windows 11 Pro

If you are using Windows 10 Home and want to upgrade to Windows 11 Pro, you have two options:

Option 1: Direct Upgrade

  1. Upgrade from Windows 10 Home to Windows 10 Pro first.
  2. Then, take advantage of the free upgrade to Windows 11 Pro (if your device is compatible).

Option 2: Sequential Upgrade

  1. Upgrade for free from Windows 10 Home to Windows 11 Home first.
  2. Then upgrade from Windows 11 Home to Windows 11 Pro using a Pro key.

Both options preserve your files and programs.

When Do You Actually Need Windows Pro?

Not every user needs Windows Pro. Here are some indicators that you genuinely need the upgrade:

  • If you manage multiple devices in a work environment: Features like Domain Join and Group Policy are essential.
  • If you need to encrypt your data: BitLocker provides strong protection for sensitive data.
  • If you are a software developer or systems tester: Hyper-V and Windows Sandbox are indispensable tools.
  • If you work remotely on a regular basis: Remote Desktop makes remote work more seamless.
  • If you use a large amount of RAM: Support for up to 2 TB of memory.

If you are an average user who uses the computer for browsing and basic office tasks, you may not need Pro.

Summary

Upgrading from Windows Home to Pro is a safe and easy process that does not result in the loss of any of your files or programs. All you need is a genuine Pro edition product key and to follow the steps outlined in this guide.

Whether you choose the direct method through Settings, via the Microsoft Store, or using the DISM tool, the result is the same: your device runs Windows Pro with all the advanced features.

Always remember the importance of using a genuine product key to ensure you receive security updates and technical support from Microsoft.

Frequently Asked Questions (FAQ)

1. Is upgrading from Windows Home to Pro free?

No, upgrading from Home to Pro is not free. You need to purchase a genuine Windows Pro product key. The cost varies depending on whether you buy a new license or an upgrade key.

2. How long does the upgrade from Home to Pro take?

The upgrade process usually takes between 15 minutes and a full hour, depending on your computer speed and internet connection. In rare cases, it may take longer.

3. Will I lose my installed Microsoft Office programs after the upgrade?

No, all Microsoft Office programs and all other programs will remain installed and function normally after the upgrade. The upgrade process does not affect installed programs.

4. Can I use the same Pro key on more than one device?

It depends on the license type. Retail licenses can be transferred from one device to another (but not at the same time). OEM licenses are tied to a single device only. Check your license terms.

5. Can I upgrade directly from Windows 10 Home to Windows 11 Pro?

You cannot upgrade directly from Windows 10 Home to Windows 11 Pro. You must either upgrade to Windows 10 Pro first and then to Windows 11 Pro, or upgrade to Windows 11 Home first and then to Windows 11 Pro.

6. What happens if the internet disconnects during the upgrade?

If the internet disconnects during the component download phase, the upgrade may fail. But don't worry — you can try again once the connection is restored. You will not lose any files.

7. Do I need to back up before upgrading?

The upgrade process is safe and does not cause file loss, but it is always wise to back up your important files before any major system change, as a precaution against any unforeseen circumstances.

8. Will I receive Windows updates after upgrading to Pro?

Yes, you will receive all security updates and feature updates normally after upgrading to Pro, as long as the license is genuine and activated.

9. What is the difference between Windows 10 Pro and Windows 11 Pro?

Windows 11 Pro comes with an improved user interface and new features such as Snap Layouts and Widgets, in addition to performance and security enhancements. However, core features like BitLocker, Remote Desktop, and Hyper-V are available in both editions.

10. Can I upgrade if Windows Home is not genuine?

No, Windows Home must be activated and genuinely licensed before upgrading to Pro. If Windows Home is not genuine, you will not be able to complete the upgrade process.

11. Do I need to restart the device after the upgrade?

Yes, the upgrade process requires restarting the device, and it may restart several times. This is normal and nothing to worry about.

12. Can I use a Windows 10 Pro key to upgrade to Windows 11 Pro?

Yes, in many cases a Windows 10 Pro key can be used to upgrade to Windows 11 Pro, especially if the key is a Retail type. However, it is preferable to use a key dedicated to Windows 11 for the best compatibility.

Recommended Products

If you are looking for a genuine license to upgrade to Windows Pro, the following options are available in our store:

  • Windows 11 Pro: The ideal license for upgrading from Windows 11 Home to Pro. It gives you all the advanced features such as BitLocker, Remote Desktop, and Hyper-V with full Microsoft support.
  • Windows 10 Pro: If you are still using Windows 10 and prefer to stay on it, this license is your best choice for upgrading from Home to Pro.
  • Office 2024 Professional Plus: After upgrading Windows to Pro, you may also need the professional Office suite to fully leverage your device's capabilities.

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