Windows 8.1 Pro keys are no longer sold by Microsoft directly. If you have a legitimate key from a past purchase, it should still work. If you do not have a key, you will be limited to an unactivated state with watermarks and personalization restrictions.
While Microsoft has discontinued technical assistance and security updates, you can still access the installation files through official portals:
: The primary source for standard users is the Windows 8.1 ISO Download page. You can select the "Windows 8.1" edition, which typically includes both Core and Pro versions, determined by your product key during installation.
: You will be presented with links for 32-bit and 64-bit downloads. Choose the 64-bit version for modern hardware to utilize more than 4GB of RAM.
: Click Confirm , then select your preferred product language.
: 1 GHz or faster with support for PAE, NX, and SSE2. RAM : 1 GB (32-bit) or 2 GB (64-bit). Hard disk space : 16 GB (32-bit) or 20 GB (64-bit).
Select your preferred language, then choose between 64-bit (x64) or 32-bit (x86) . Most modern systems should use 64-bit.
Go to the Microsoft Software Download Service page: https://www.microsoft.com/en-us/software-download/windows8ISO (Note: If you are on Windows 10 or 11, Microsoft may try to redirect you to the Media Creation Tool. If this happens, change your "User Agent" string in your browser developer tools or access the site from a different OS/device).
Since Windows 8.1 is End-of-Life (EOL), using it as a daily driver connected to the internet is .
Windows 8.1 Pro keys are no longer sold by Microsoft directly. If you have a legitimate key from a past purchase, it should still work. If you do not have a key, you will be limited to an unactivated state with watermarks and personalization restrictions.
While Microsoft has discontinued technical assistance and security updates, you can still access the installation files through official portals:
: The primary source for standard users is the Windows 8.1 ISO Download page. You can select the "Windows 8.1" edition, which typically includes both Core and Pro versions, determined by your product key during installation. windows 8.1 pro iso microsoft download
: You will be presented with links for 32-bit and 64-bit downloads. Choose the 64-bit version for modern hardware to utilize more than 4GB of RAM.
: Click Confirm , then select your preferred product language. Windows 8
: 1 GHz or faster with support for PAE, NX, and SSE2. RAM : 1 GB (32-bit) or 2 GB (64-bit). Hard disk space : 16 GB (32-bit) or 20 GB (64-bit).
Select your preferred language, then choose between 64-bit (x64) or 32-bit (x86) . Most modern systems should use 64-bit. Choose the 64-bit version for modern hardware to
Go to the Microsoft Software Download Service page: https://www.microsoft.com/en-us/software-download/windows8ISO (Note: If you are on Windows 10 or 11, Microsoft may try to redirect you to the Media Creation Tool. If this happens, change your "User Agent" string in your browser developer tools or access the site from a different OS/device).
Since Windows 8.1 is End-of-Life (EOL), using it as a daily driver connected to the internet is .