Sxsi X64 Windows 8 May 2026

To further reduce size by removing the ability to uninstall previous updates, add the /ResetBase flag: Dism /Online /Cleanup-Image /StartComponentCleanup /ResetBase 2. Windows Disk Cleanup For a more user-friendly interface: Press , type cleanmgr , and hit Enter. Select the C: drive. Click Clean up system files .

1. Using the Deployment Image Servicing and Management (DISM) Tool sxsi x64 windows 8

It holds the installation files for optional Windows features, such as .NET Framework 3.5 , which can be enabled without needing the original installation media. Managing Disk Space: How to Safely Clean WinSxS To further reduce size by removing the ability

It stores files needed to roll back problematic updates or repair corrupted system files. Click Clean up system files

This is the most effective method for Windows 8.1 and Windows 10/11. Open as an Administrator.

The folder, located at C:\Windows\WinSxS , serves as the "Side-by-Side" assembly store. In a 64-bit (x64) environment, it is particularly large because it must maintain compatibility for both 32-bit and 64-bit applications.