Run cleanmgr.exe (with system files option) every few months, especially after Windows updates. For more aggressive cleaning or browser data, use a complementary tool like Storage Sense (built-in) or BleachBit (advanced users).
cleanmgr.exe is an for disk space issues. It's safe, fast, and requires no installation. However, it is not a comprehensive cleaning solution. Think of it as the "basic maintenance" tool – great for removing obvious junk, but insufficient for deep cleaning or managing personal file clutter. cleanmgr.exe