If your version is in another language, you can add French easily: Open > Clock, Language, and Region . Click Add a language and select Français .
Use the built-in Disk Cleanup tool ( cleanmgr ) to perform a "Deep System Cleanup" of old update files. Disable Visual Effects: Press Win + X and select System . Click Advanced system settings > Performance Settings . Select Adjust for best performance . windows 8.1 lite français