Windows has become the most significant operating system market, with the latest running Windows 10. Its setup on a computer/laptop has also changed, starting with the time-consuming process of installing the upgraded version of Windows using CDs to the current scenario of using a USB drive to update Windows in a less time-consuming way. With this update comes many unnecessary files that remain stored for a long time unless we realize it, and the question pops up in our mind “Should I delete Windows setup files?” or “Do I need Windows setup files?”

After all, the system files are crucial to your computer and are concealed for a reason: Removing them might cause a crash. Yet, it’s entirely fine to remove outdated data from a Windows update and the Windows setup. Clearing win setup files can be done by:

  1. Opening Local storage
  2. Go to This PC(C:)
  3. Select Storage usage
  4. Select Temporary files
  5. Remove the temporary files

This article right here might be an answer to all your question. Here we provide an excellent 10-step guide to remove your setup files and details about the Windows setup files.

What Are Setup Files?

Almost every year, there is a chance to update your Windows operating system. Even if you don’t upgrade it initially, after a certain point when Microsoft drops support from the older versions, you are bound to install the new arrangements in this process of updating; a lot of backup files are from the directories of the previous versions.setup files These files are stored in two different kinds: various other folders like the Windows folder, which remains hidden, documents, program files, and other documents are backed up.

  • Windows. old
  • $Windows.~BT

The work of these folders is to help replace the missing files after the installation of a newer version of Windows is successful. Like everything, it also has a con. Although it is helpful in a way, as mentioned above, on the other hand, it takes up a lot of processing power. In this case, deleting Windows setup files is helpful.

Can You Delete Windows Setup Files?

We know system files are vital to the computer/laptop, so they remain hidden. Should I delete Windows setup files? If you feel you must, as it improves performance, you should.

Deleting these files can be scary as they may result in your computer/laptop is crashed. To make it easier to understand, let’s take a look at the files/folders which you should not delete:

  •  AppData, Program Files, or ProgramData situated in the Windows system
  • C:\Windows

It is entirely safe to delete the following files/folders as, without them, your computer/laptop will work fine:

  • Windows setup files
  • Windows. old
  • $Windows.~ BT

So, Do you need Windows set-up files? No, not really.

How Do I Delete Windows Setup Files?

As mentioned above that, it is entirely safe to remove/delete the Windows setup files. Disk cleanup is the process of deleting unwanted files. It mainly removes the unwanted markers or pointers that s used to detect the setup files. All the other information, like pictures or any other personal data, is safe and accessible anytime. 

Take a look at these steps and follow along.

  1. In the search bar of the home screen. Type disk cleanup and press enterdisk cleanup
  2. After the dish cleanup app opens, click on Run as
  3. Next, a pop-up window will appear named disk cleanup: Drive Selection. Here, select the file drive in which the Windows operating system files are located. Click on the boxes containing “previous Windows installations” and “temporary Windows installation files.” After selecting the files, the window will show all the unwanted files on your PC.temporary windows installation files
  4. In the next step, make sure to uncheck all the other boxes except the two mentioned above. Next, select “ok.” In this step, a window asks the user to delete the particular files permanently. Here, click on the delete files option. This step will take some time.delete files
  5.  After the above step, you should restart your computer/laptop to complete the whole process of cleanup. This step is optional; you may or may not need this. Do a rough check through some of the temp files/folders and end the drive to see if you can remove any old setup files.restart


Why should I consider deleting Windows setup files?

You may consider deleting Windows setup files to free up storage space on your computer. These files are often left behind after a Windows upgrade or installation and can take up significant space. However, before deleting them, ensure that your Windows installation is stable and functioning correctly, as these files may be needed for future updates or troubleshooting purposes.

Are there any dangers related to deleting Windows setup files?

Deleting Windows setup files is generally safe as they are not essential for the functioning of the operating system. These files are meant for the initial installation process and can be safely removed. However, it is crucial to ensure that Windows is properly installed and activated before deleting them.

How can I know if I have proactively installed and activated Windows?

To check if Windows installed and booted successfully, check your PC's system settings. Check out the 'Framework' or 'Overview' segments. There you will find data on the type of working framework and its operational status. Finally, you can remove the setup files once Windows is ready with no boot prompts.

What is the suggested technique for deleting Windows setup files?

Experts recommend using the Disk Cleanup utility to remove Windows setup files. This built-in Windows tool removes unnecessary system files, including previous Windows installation files. Simply search for 'Disk Cleanup' in the Start menu, select your system drive, check the 'Previous Windows installations' option, and click 'OK' to remove the setup files.

Can I recover deleted Windows setup files if needed?

Recovering deleted Windows setup files can be difficult. It's advisable to back up your setup files before deleting them. If you don't have a backup, use file recovery software or seek help from a professional data recovery service.

See Also: Fix The Error: ‘System Restore Does Not Appear To Be Functioning Correctly On This System’ Easily


We hope that now if the question “Should I delete Windows setup files?” pops up, you know the answer and precisely the steps you need to follow. This 10-step guide is to the point and gives you the necessary details about the Windows setup files. As mentioned, this process will not permanently delete the old files; your data is in storage and accessible.

See Also: Fix Windows Could Not Automatically Detect This Network’s Proxy Settings

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