The Programs and Features applet in Windows 10 and 11 isnt the most thorough uninstaller utility in the world.

It usually leaves behind leftover residual files and registry entries.

Accumulated leftover files and registry keys from uninstalled software waste drive storage space.

A Windows 11 laptop

There are a few ways you could erase the leftover remnants from uninstalled software on Windows.

you might manually delete the leftover data and registry keys for programs youve removed.

Or you might utilize third-party software that does it for you.

The Roaming folder

AppData includes a Roaming subfolder for storing app data.

Programs Files is a default installation folder for software where youll sometimes find leftovers.

The Temp folder includes that temporary data.

The Program Files folder

This will involve manually looking for leftover registry remnants from uninstalled software and deleting them.

Registry cleaners are good for erasing keys from obsolete (uninstalled) software.

Utilizing a reputable registry cleaner to do the job for you is more straightforward and quicker.

The Temp folder

There are many third-party registry cleaners for Windows to choose from.

CCleaner is a reputable system maintenance utility that incorporates a comprehensive registry cleaner.

Select theCustom Cleantab, which includes aTemporary Filesoption.

The Export option

Click theTemporary Filescheckbox underSystem, and press theAnalyzebutton.

Then you’re able to select theRun cleaneroption to erase the temp data.

Unlike Programs and Features, that uninstaller includes a setting for automatically erasing residual files and registry leftovers.

The software registry key

Thus, removing software with IObit Uninstaller will save you from needing to manually delete such remaining remnants.

To do so, select theWindows Appstab.

Then select a Windows or third-party app there, and click theUninstalloption for it.

The Delete option

To scan for leftovers from software previously uninstalled with Programs and Features, select theSoftware Healthtab.

poke the checkbox for theUninstallation Leftoversoption to select it, and press theScan nowbutton.

PressFix Allto eradicate the remaining uninstalled software remnants found.

The Downloads tab in Chrome

Or you’re able to clickDetailsfor the leftovers scan to select items manually.

Or purge uninstalled software remnants with the IObit Uninstaller and CCleaner software if you prefer a more automated approach.

CCleaner’s Install option

CCleaner’s registry cleaner

The Fix All Selected Issues button

The Custom Clean tab

The All Programs tab

The Automatically remove residual files checkbox

The Windows Apps tab

An uninstallation leftover scan