---
title: "How to Upgrade from Windows 8.1 to Windows 10 Without Losing Data"
description: "Upgrading your PC from Windows 8.1 to Windows 10 is a straightforward process that allows you to retain your personal files and applications"
url: https://help.thesoftwarekings.com/en/articles/26-how-to-upgrade-from-windows-81-to-windows-10-without-losing-data
collection: "Windows Installation Guides"
updated: 2026-01-04
language: en
---

# How to Upgrade from Windows 8.1 to Windows 10 Without Losing Data

Upgrading your PC from Windows 8.1 to Windows 10 is a straightforward process that allows you to retain your personal files and applications

Upgrading your PC from Windows 8.1 to Windows 10 is a straightforward process that allows you to retain your personal files and applications. Follow these steps to perform the upgrade:

### 🛠 What You'll Need

-   A PC running a genuine copy of Windows 8.1
    
-   An active internet connection
    
-   A USB flash drive with at least 8 GB of free space (optional, for creating installation media)
    
-   A valid Windows 10 license key (if prompted during installation)
    

### ✅ Step-by-Step Upgrade Guide

#### 1\. **Back Up Your Data**

While the upgrade process is designed to preserve your files and applications, it's always a good idea to back up important data to an external drive or cloud storage, just in case.

#### 2\. **Check for Windows Updates**

Ensure your current system is up to date:

-   Press `Windows + I` to open Settings.
    
-   Navigate to **Update & Security > Windows Update**.
    
-   Click **Check for updates** and install any available updates.
    

#### 3\. **Download the Windows 10 Media Creation Tool**

-   Visit the official Microsoft website: [https://www.microsoft.com/software-download/windows10](https://www.microsoft.com/software-download/windows10)
    
-   Click **Download tool now** to get the Media Creation Tool.
    

#### 4\. **Run the Media Creation Tool**

-   Open the downloaded file (`MediaCreationTool.exe`).
    
-   Accept the license terms.
    
-   Choose **Upgrade this PC now** and click **Next**.
    
-   The tool will begin downloading Windows 10. This may take some time depending on your internet speed.
    
-   💡 **If the tool doesn’t launch or crashes immediately**, this is usually caused by:
    
    -   Missing system updates or .NET Framework components
        
    -   Corrupted temp files or a blocked executable
        
    
    👉 In that case, follow this guide:  
    [**Media Creation Tool Won’t Open? Click here to Fix It**](#https://kevejjefk.gleap.help/en/articles/25-how-to-fix-the-windows-tool-that-won-t-open-for-windows-7-and-8-users)
    

#### 5\. **Choose What to Keep**

-   When prompted, select **Keep personal files and apps** to retain your data and installed applications.
    
-   Click **Next** to proceed.
    

#### 6\. **Install Windows 10**

-   Click **Install** to begin the upgrade process.
    
-   Your PC will restart several times during the installation. Ensure it remains powered on.
    

#### 7\. **Activate Windows 10**

-   After installation, go to **Settings > Update & Security > Activation**.
    
-   Enter your Windows 10 license key if prompted.
    
-   If your Windows 8.1 license was eligible for a free upgrade, activation may occur automatically.
    

* * *

### 🛠 Troubleshooting Tips

-   **Compatibility Issues**: Some older hardware may not be fully compatible with Windows 10. Check the manufacturer's website for driver updates.
    
-   **Activation Problems**: If activation fails, ensure you're using a valid Windows 10 license key. Contact us at [help@thesoftwarekings.com](mailto:help@thesoftwarekings.com) for assistance.
    

* * *

### 🤖 Need Help?

Use our **King Helper chatbot** located at the bottom right corner of our website for real-time assistance. If your issue isn't resolved within three messages, you'll be connected to our support team.