: Support for Windows 8.1 ended on January 10, 2023 . Your system will still work, but it will not receive new security updates, making it more vulnerable to viruses.

: Once downloaded, right-click the ISO file and select Mount . This will create a virtual drive in "This PC". Run Setup : Open the new drive and double-click setup.exe .

: During the installation process, choose the option to keep personal files and settings to perform an in-place upgrade without losing your data. Important Considerations

: If your PC came with Windows 8 pre-installed, the product key is usually "baked" into the motherboard and should automatically activate Windows 8.1 after installation. Windows 8.1 support ended on January 10, 2023

Yes, you can still update Windows 8 to Windows 8.1 , although Microsoft has officially ended support for both versions. Because the —the original method for this update—closed for Windows 8 in 2019, you must now use manual workarounds. How to Update Windows 8 to 8.1