: A popular community repository for older software. Look for "Official from Microsoft" or "RTM" (Release to Manufacturing) versions.
A standard 64-bit installation requires at least 2 GB of RAM and 20 GB of free disk space . Recommended Alternatives highly compressed windows 81 64 bit verified
If you need a smaller, lighter version of Windows 8.1 for an older PC or to save download data, you should look for official "Embedded" editions or "Core" editions, rather than "highly compressed" files from random sites. : A popular community repository for older software
If the system is already installed and acting strangely, use the System File Checker tool by typing sfc /scannow in an admin command prompt to repair corrupted system files. highly compressed windows 81 64 bit verified