Windows 8.1 Pro U3 9600.22577 en-US (x64) VMWare December 2025 4 Jan 2026 ** About ** Windows 8.1 U3 isn't an official Microsoft product name; rather, "U3" likely refers to the major Windows 8.1 Update (KB2919355), a crucial cumulative update released in April 2014, essential for continuing to receive future updates, including security patches, and bringing new features, improving performance, and making the OS more user-friendly, especially for desktop users, before Windows 10 arrived. Windows 8.1's official support ended January 10, 2023, meaning no more free security updates, and Microsoft does not offer an Extended Security Update (ESU) program for Windows 8.1 ** About this VM ** - Fully updated 4 Jan 2026 (Defender, Edge, .NET Frame work) - Language, Regional options and keyboard: en-US - VMWare Tools installed v13.0.5-24915695 - Disk size 60GB, Current size 16.9 GB - Hard disk contents stored in a single file - Compatibility: Workstation 17.5 or later - Pre-activated: yes, permanently - Registry cleaned - Disk cleaned up and defragmented - Allocated memory 8GB - Number of processors 2x2 - Some settings can be modified before launching the VM, see hereunder - User password: none ** Installation ** Unpack the archive Windows 8.1 Pro U3 9600.22577 (size unpacked: 16.9 GB) - you can change the values (i.e. Memory/number of processors) BEFORE LAUNCHING the VM by editing the configuration file Windows 8.1 Pro U3 9600.22577.vmx with some text editor - launch VMWare, browse for file Windows 8.1 Pro U3 9600.22577.vmx and open it - when asked, click I copied it Enjoy and keep seeding :)