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How To Permanently Delete Unwanted Files In Windows 10

How To Permanently Delete Unwanted Files In Windows 10

How frequently do you clean your computer’s files? every week? Once a month, maybe? Or perhaps never? Windows and programs can create a lot of temporary files when they are installed and operating correctly. These files become useless after completing particular tasks. Eventually, the computer becomes overloaded with log files, temporary files, downloaded files, system junk files, Windows registry files, Recycle Bin files, and more. 

More junk files will build up the longer you use the computer, which will reduce disk space and possibly make it slow. Junk files do not provide any benefits. Rather, it might make system management challenging. Eliminating unnecessary files and folders can drastically reduce the amount of valuable storage space you need to use. It also helps you maintain organization in your files and folders and enhances system performance by freeing up your computer from processing useless files.

Therefore, to make a PC faster, you must think about how to clean out junk files, either using manual methods or using any of the best temp file cleaners for Windows 10. It makes no sense to keep junk files on your computer, just like any other kind of junk. So, without further ado, let’s explore how to permanently delete unwanted files from your computer. Let’s start with understanding what exactly unwanted files are.

What are Unwanted Files in Windows 10?

Junk files on your computer can originate from a variety of sources, such as the leftover files of programs you have removed or that adorable wallpaper you downloaded years ago but eventually lost interest in. The following are some typical junk file types found on most systems: 

  1. Recycle Bin: In Windows 10, all unwanted files that are deleted are placed in the recycle bin folder. This folder has to be cleaned.
  2. Temporary Files: The system and certain apps create temporary files in the background while your Windows 10 computer is operating. It was junk files, and Windows 10 does not automatically delete unnecessary files from your computer.
  3. Temporary Internet Files: Windows Upgrade Log Files Offline Website Cache These files are also unwanted. They save text, graphics, and other types of multimedia so that, when you return, you can access these sites more quickly.
  4. Thumbnails: The Thumbnails cache file on Windows contains a copy of all the videos and documents you have stored. These thumbnails can be deleted but will automatically be recreated when needed.
  5. Leftover files of third-party software: Not all associated files are deleted when a program is removed. This frequently causes conflicts when you try to use it with other programs.
  6. Downloads: Most of your storage space is typically occupied by the downloads folder. It often includes unnecessary installers, pictures, videos, and other files that build up over time.

How To Permanently Delete Unwanted Files In Windows 10

Your files and folders will stay more organized if you remove unnecessary files. It can be an excellent method to regain a significant amount of valuable storage space. Here are a few efficient methods for removing unwanted files from your computer. 

  • Empty Recycle Bin

Deleted files are placed in the recycle bin. When you remove a file or folder, it goes into the recycle bin so you can return it to its original place later. However, over time, a large number of useless files can fill up the recycle bin to the point where it can hold several gigabytes if you never empty it. Thus, do the following:

Step 1: Right-click the recycle bin on the desktop and choose Empty Recycle Bin to clean it up. 

Step 2: Select Yes to validate the deletion process.

2. Delete Junk from Temporary Files

Temporary files are created automatically to store information about a currently active file. These files are erased when the job is finished. Windows has a temp folder where temp files are kept. You can manually clear out temp files to make disk space available in Windows.

To delete temporary files:

  1. Open Run by pressing Win + R.
  2. Enter %temp% and click OK.
  3. Use Ctrl + A to select every file in the temporary folder, then press the Delete key.
  4. For any file that looks to be in use, click Skip.

As an alternative, Windows 10 comes with a built-in tool called Storage Sense that assists you in removing unnecessary files from various locations. You can set it up to automatically remove temporary files if you think that sounds good.

  1. Click Settings > System > Storage to configure Storage Sense to remove temporary files. 
  2. Toggle the switch to turn on Storage Sense. 
  3. Click Configure Storage Sense after that, or launch it immediately.
  4. Select the time that you wish to use Storage Sense. 
  5. Select the option to “Delete temporary files that my apps are not using” under Temporary Files.

3. Remove Junk Files With the Disk Cleanup Tool

The Windows Disk Cleanup tool offers a one-stop shop for clearing out unnecessary files from your computer. It examines and determines the amount of space you can free up on the chosen drive. Junk files, including downloads, temporary Internet files, Windows installation files, delivery optimization files, Recycle Bin, and more, can be removed with Disk Cleanup.

This is how the Disk Cleanup tool is used.

  1. To start the utility, type Disk Cleanup into the Windows search bar and press Enter.
  2. Select the drive you wish to clean, then press the OK button. It will look for junk files on the chosen drive from a variety of common sources.
  3. After that, the tool will show you how much space you can clear by removing various junk files on the screen.
  4. Check the box to indicate which file types you want to clean up. Click View Files to see which files are going to be deleted.
  5. To see device driver packages and temporary Windows installation files, click Clean up system files.
  6. To get rid of the junk files, click OK. 
  7. Select Delete Files to confirm the action.

Do not check the thumbnail box. You can gain a few megabytes of storage space by deleting the thumbnail cache. But every time you search for a file, the system will have to recreate it, which will cause your computer to lag.


Unwanted files can cause performance issues for your system and are not a pretty sight. To keep your system clean, you can use Disc Cleanup regularly or manually clear out junk. You can free up more space on your computer by getting rid of superfluous apps, bloatware, and other third-party system cleanup tools.

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