Guides: free up space and keep your PC healthy

Short, clear PCMap guides: how to free up space on Windows, what WinSxS is, and why drive C: fills up.

How to free up disk space on Windows 11 (safely)A practical, safe order for freeing space on Windows 11: find what is big first, then clean temp files, the Recycle Bin, old downloads, duplicates and unused apps.What is the WinSxS folder, and can I delete it?WinSxS is the Windows component store. It looks huge but much of it is shared with C:\Windows. Here is how to shrink it safely without deleting it.Why is my C: drive full? The usual causes and fixesThe common reasons drive C: fills up on Windows – hibernation file, page file, restore points, updates, temp files, games, phone backups – and what is safe to do about each.