To uninstall programs completely in Windows 10 or 11, remove the software from Apps & Features, then delete leftover folders, clean registry entries, and clear temporary files. Built-in uninstallers often leave junk files that slow down your PC.
When you uninstall a program normally, Windows removes only the main files. Configuration data, cache files, logs, and registry entries are often left behind. Over time, these leftovers can:
This removes the core application but not leftover files.
After uninstalling, manually delete remaining folders:
Enable hidden files to access the AppData folder.
This removes leftover cache created by the program.
⚠ Warning: Editing the registry incorrectly can cause system issues.
Third-party uninstallers automatically remove leftover files and registry entries.
These tools are safest for stubborn or broken software.
Yes, if the software is fully uninstalled and the folder belongs only to that program.
Windows leaves user data in case you reinstall the program later.
Yes. Accumulated junk files reduce storage and system performance.