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What is slui.exe, and is it safe for Windows PCs?

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We all know that Windows runs many background services, and Slui.exe has not been much recognisable since. It is used to check the activation of the Windows 10 license. Microsoft used to sell Windows copies to generate revenue. Today we are going to explain more about this in this article.

What is Slui.exe in Windows?

It is used to scan the activation of Windows Copies, where once you install the fresh version of Windows 10, you have 30 days of free trial and control the feature, which is exclusive to activated Windows users.

Many users used the cracks and patches to activate Windows, which is illegal and considered piracy. Therefore, it was used to protect Windows from attempting to activate Windows without a license. Additionally, it was a startup, which is an automatic startup, and it randomly scans and checks the Windows License to see whether you are using the legal version or not. It is found that you are not using activated windows, and it starts to promote activating your windows, lock customisation, and other features based on the licensing terms.

Is slui.exe a safe Windows process?

As we have mentioned, Microsoft has pre-installed the slui.exe file process in Windows, so it is safe, and if you have activated it through a third-party activator, your system might be affected by malware. Most likely, those files contain malware that can easily share data with them directly from your system.

To check if Slui.exe is running on Windows or not, open the task manager and then click on the Details tab. Look for Slui.exe, and then right-click to open the drop-down menu. Click on “Open File Locations.” If the location of the file is at the following address: C:\Windows\System32, and it doesn’t open there, then your system might be affected by malware. To remove the malware, use any premium or trusted antivirus programme.

How do I activate the license key or change it using SLU.exe?

To activate Windows, you need to activate slui.exe by changing the activation key. Windows can be activated using two different methods, so here are descriptions of both.

Activate the Windows License Key by running the Run Dialog box.

  • Open the Windows Run dialogue box.
    • Use Windows + R to open.
  • Enter slui.exe, and then it will ask you to enter a product key.
  • Now, enter the product key to activate, and then click on Activate.
  • That’s it.

Activate the Windows license key in Windows Settings.

  • Open Windows Settings.
    • Shortcut Key: Windows + X
  • Then, click on Update & Settings.
  • Navigate to the left sidebar and click on Activation.
  • There are two different scenarios.
    • The Trial Period is over.
      • If your trial period is over, then enter the license key to activate your copy of Windows.
    • Already activated Windows
      • You will see the Change Product Key option. Click on it to activate another license key.
  • That’s it.

How to remove Slui.exe

It is an essential service that needs to run in the background. If Windows finds this service missing, then it might stop working. However, if you want to remove the file, then here is the method mentioned below, but keep caution in mind before proceeding.

  • Open Windows Settings.
    • Shortcut Key: Use Windows + I
  • Then, click on Apps and Features.
    • Appear in the left sidebar of the screen.
  • Next, look for Slui.exe or Windows-aktiveringsklient.
    • You can use the search bar to check these files.
  • Now, once you uninstall it, it will be removed from your computer.

Therefore, if you haven’t found this file, then check the slui.exe_uninstall.exe file and run it to uninstall it from your computer.

Hopefully, you find this guide helpful, and now you know what Slui.exe is and what its task is. For further queries, share them with us in the comment section below.