3 ways to remove residual files after uninstalling software in Windows

The first step to free up space and get rid of programs in Windows is to uninstall them. But, it should be noted that uninstalling programs does not remove all traces of them. Application data, cache, registry data, etc. can be left. To help you out, we’ve listed three methods for removing leftover files after uninstalling software in Windows.

Delete the leftover files after uninstalling the software

All of these methods are simple and will help you free up a lot of space, especially if you’ve never deleted these program files before. In addition, we have also added a method that helps you completely uninstall the program immediately. Let’s get started.

1. Delete the registry keys

Registry keys are a database critical to the functionality of a program. The application registry key includes all configuration and installation data, such as your product key, custom installation settings, etc. Deleting registry keys for an uninstalled app removes its remnants.

However, you need to be careful when you proceed to remove registry keys. Make sure you know exactly the uninstalled app whose keys you need to remove, especially in cases where you have multiple versions of the same app installed.

To prevent any mishaps, we recommend that you back up your registry keys if you ever uninstall an application that is essential for your PC to function properly.

Step 1: Open Registry Editor from the Start menu.

Open the registry editor

Now the registry editor will have a list of all programs – even uninstalled ones. Monitor any uninstalled app folder. In our case, we have uninstalled Mozilla Firefox, but we see a folder here.

step 2: Right-click on the uninstalled application folder.

The remainder of the application

step 3: Now click Delete.

Right click and Delete

Step 4: Click Yes to confirm the removal of the key.

Confirm the removal of keys

Apart from registry keys, programs also leave behind cache and other unimportant data despite their removal. These useless files are often stored in the Windows temporary folder. Let’s see how to remove them in the next section.

2. Delete the temporary folder

Although there are several ways to delete temporary files in Windows, we will show you the easiest way to delete the remnants of an uninstalled application. You will be surprised to see how many of these folders are present.

Step 1: Open Run from the Start menu.

Open Run

step 2: Type “%temp%” and click OK.

Enter the code for temporary files

step 3: This will open a temporary folder. Use Ctrl + A to select all files.

Step 4: Now right click and select uninstall option. They will now be moved to the trash.

Delete temporary files

That’s all you need to do to delete temporary files. But, if you want to go further by removing leftover files after uninstalling software, you can also take a look at Windows Disk Cleanup.

3. Use Disk Cleanup

Disk Cleanup Tool is a simple tool to remove unwanted files left on your system with one click. Here is the step by step procedure for the same.

Step 1: Open Disk Cleanup from the Start menu.

Open Disk Cleanup

step 2: Select the drive and click OK.

Click OK for C drive

step 3: Select the Temporary Files check box in the Disk Cleanup window. Now click OK.

Do not manually select any other check box than the one mentioned, as everything that needs to be cleared will be automatically selected by Windows.

Check temporary files

Step 4: Wait for Disk Cleanup to remove unnecessary files.

Wait until it clears

Besides, you can also clean system files to remove more such unwanted files. Here’s how:

Step 1: Run Disk Cleanup and select Clean up system files.

Clean up system files

step 2: Select the drive and click OK.

Click OK

step 3: Wait for all files to be deleted.

Wait for the system files to be cleaned

Using the methods described above, you can clean up all the files left behind after uninstalling the software in Windows. But what if there was a way to uninstall a program and delete all traces of it at the same time? As stated at the beginning of the article, there is a way to do this. Read the next section of the article to find out how.

Use Revo Uninstaller to completely uninstall software in Windows

There are many third-party tools for uninstalling programs in Windows. We will use Revo Uninstaller. This tool will help you completely remove programs in Windows along with all their traces and residual files. While the service is paid, you will get a free trial for thirty days.

Follow the step-by-step procedure below to install and use Revo Uninstaller.

Step 1: Visit the download page from the link below and click TRY NOW.

Revo Try it now

This will download the software to your Windows system.

step 2: Click on the downloaded file.

Click on Downloaded File

step 3: Check the box “I accept the agreement” and click “Next”.

I accept the agreement

Step 4: Click Next if you do not want to change the program destination.

Click on Next

step 5: Click Next again.


Step 6: Now click Install. After completion, the program will start.

Click on Install

Step 7: Now open Revo Uninstaller, click on the program you want to uninstall and select “Uninstall” on the left panel. We chose “Concept”.

Select the application Click Uninstall

Step 8: Select the “Automatically delete all found remnants” check box and click “Continue”.

Click Continue

Step 9: Now click OK to confirm.

Click OK to remove

Step 10: When finished, click Scan. This will search for leftover files.

Click on Scan Revo Uninstaller

After the scan is complete, the program will also delete all leftover files. You will be shown the number of deleted files along with their size.

Click Close

That’s all you need to know about uninstalling programs with their residual files. We’re sure you’re already familiar with these techniques, but if you have any questions, read the section below.

Frequently asked questions

1. Is Revo Uninstaller safe?

Yes, it has earned a good reputation over the years and is completely safe. Alternatively, you can take a 30-day free trial before purchasing a subscription.

2. Is it safe to delete registry keys?

If you know the program whose registry keys you are deleting, delete them without hesitation. However, if you’re not sure, we recommend not deleting them at all. As it may delete important file and affect your system.

3. Will the temporary files contain important files?

In most cases, there are no important files in the temporary file, but if there are, Windows will not let you delete them. A warning will appear if you try to delete them.

Remove​​​​these leftovers and enjoy the free space

That’s all you need to know to delete leftover files after uninstalling programs in Windows. These methods will help you if the program is corrupted and you want to reinstall it. Apart from that, it can also help you save space on your device. So go ahead, maybe it’s time to clean up your C drive.