Are you still running Windows 8 and wondering how to get the latest features and improvements? Upgrading to Windows 8.1 is a great way to enhance your operating system. In this comprehensive guide, I’ll walk you through the process of upgrading Windows 8 to 8.1 in five simple steps.
Key Takeaways
- Ensure your Windows 8 is activated before starting the upgrade process.
- Download the correct Windows 8.1 ISO file that matches your current Windows edition and system type.
- Choose the right language version to keep all your files and apps during the upgrade.
Step 1: Check Windows Activation
Before you begin the upgrade process, it’s crucial to verify that your Windows 8 is activated.
- Right-click on the Start button and select “System”.
- Scroll down to the bottom of the window.
- Check if your Windows is activated.

If your Windows 8/8.1 isn’t activated or the Windows Upgrade process prompts you to enter a product key, you can try using one of the following keys.
Disclaimer: These keys are only to be used for the upgrade process and cannot be used for permanent activation. (Source: softwarekeep.com)
Windows 8:
NGXJ7-RWTT3-RYGP4-KTXTD-M7RDP
VDGKG-N3B97-CC73Q-9H9FQ-Y4DHC
BHM36-NC98B-C6BC6-PMHTC-V8MQP
BH8M3-YJN8D-PWVTB-G3HCM-X4PK2
6PN82-R4BBH-XX8K2-DCK84-VMFDH
967N4-R7KXM-CJKJB-BHGCW-CPKT7
(worked for me)BTNJ7-FFMBR-FF9BH-7QMJ9-H49T7
HB39N-V9K6F-P436V-KWBTC-Q3R9V
Windows 8.1:
NTQ99-TJD7V-DVMBR-M9KP9-YDVQQ
J4GXG-8RN8X-3K4HK-9GRWQ-C36VD
334NH-RXG76-64THK-C7CKG-D3VPT
KBN88-BYDXD-X6HQ7-3KHFC-W2M93
HMCNV-VVBFX-7HMBH-CTY9B-B4FXY
DDTRW-HNDHV-KP2J7-BJRGG-RRFX3
GCRJD-8NW9H-F2CDX-CCM8D-9D6T9
MNDGV-M6PKV-DV4DR-CYY8X-2YRXH
Step 2: Install an Alternative Browser
If you’re using Internet Explorer, it’s recommended to install another browser for a smoother upgrade process.
- Skip this step if you already have Chrome, Firefox, or any browser other than Internet Explorer.
- For this guide, we’ll use Google Chrome.
- Visit the official Google Chrome website.
- Click “Download Chrome” and follow the installation prompts.

Step 3: Download Windows 8.1 ISO File
To upgrade, you’ll need the Windows 8.1 ISO file. Unfortunately, the Windows 8.1 ISO file isn’t available on the Microsoft Software Downloads page anymore. However, the Windows 8.1 English ISO file is available on the Archive website, here’s how to download it:
- Visit the Windows 8.1 ISO download page on Archive.org.
- On the right under “Download Options”, click on “ISO Image”.
- Choose between the 32-bit or 64-bit ISO download based on your system type.
Checking Your Current Windows Version and System Type
- Right-click on the Start button and select “System”.
- Note your Windows edition and system type (32-bit or 64-bit).

Selecting the Correct Language Version
- Go to Control Panel > Region.
- Note your current language settings.
- On the download page, choose between “English United States” or “English International” based on your current settings.

Step 4: Mount the ISO File
Once the ISO file is downloaded, you need to mount it to access its contents.
- Locate the downloaded ISO file in your Downloads folder.
- Right-click on the file and select “Open with” > “Windows Explorer”.
- The ISO file will mount as a new drive on your computer.

Step 5: Run the Setup and Upgrade
Now you’re ready to start the upgrade process.
- In the mounted ISO drive, right-click on “setup.exe” and select “Run as administrator”.
- Click “No thanks” on the first screen and uncheck any optional boxes.
- Accept the license terms.
- Choose “Keep personal files and apps” if available.
- If this option isn’t available, you may need to download the other language version of the ISO file.
- Click “Install” and wait for the process to complete.

Verifying the Upgrade
After the upgrade process is complete:
- Right-click on the Start button and select “System”.
- Confirm that your system now shows “Windows 8.1”.

Conclusion
Upgrading from Windows 8 to 8.1 might seem daunting, but by following these steps, you can smoothly transition to the improved version of your operating system. Remember to back up your important files before starting the upgrade process, just in case. With Windows 8.1, you’ll enjoy enhanced features and better performance on your computer.

Windows 10 is the successor to Windows 8.1 and if you’re interested in upgrading, you can follow my guide on Upgrading from Windows 8/8.1 to Windows 10.
Frequently Asked Questions (FAQ)
Why should I upgrade from Windows 8 to 8.1?
Windows 8.1 offers improved features, better performance, and enhanced security compared to Windows 8. It also provides a more user-friendly interface and better compatibility with newer software.
How long does the upgrade process take?
The upgrade process can take anywhere from 30 minutes to over an hour, depending on your computer’s specifications. Systems with solid-state drives (SSDs) typically complete the upgrade faster than those with traditional hard disk drives (HDDs).
Will I lose my files and apps when upgrading to Windows 8.1?
If you select the correct language version during the ISO download, you should be able to keep all your personal files and apps. However, it’s always a good idea to back up your important data before any major system upgrade.
What should I do if I can’t select “Keep personal files and apps” during the upgrade?
If this option isn’t available, you may have selected the wrong language version of Windows 8.1. Try downloading the other English version (US or International) and attempt the upgrade again.
Can I upgrade directly from Windows 8 to Windows 10?
While it’s possible to upgrade from Windows 8 to Windows 10, it’s generally recommended to first upgrade to Windows 8.1 and then to Windows 10 for a smoother transition. This ensures better compatibility and reduces the likelihood of issues during the upgrade process.