DISM /Online /Cleanup-Image /StartComponentCleanup For even more aggressive cleanup (recent Windows 10 versions):
App A needs msvcrt.dll version 7.0, App B needs version 8.0. SxS lets both run on the same PC. 2. Where Is the SxS Folder on Windows 10 x64? On a 64-bit Windows 10 system, the main SxS storage is: Sxsi X64 Windows 10
Instead of overwriting a shared system file when installing new software, Windows keeps older versions alongside newer ones. Each application “asks” for the specific version it was built with. Sxsi X64 Windows 10
SxS stands for Side-by-Side . It is a Microsoft Windows technology that allows multiple versions of the same DLL (Dynamic Link Library) or application to run simultaneously without conflict. Sxsi X64 Windows 10