Bear in mind that this method doesn’t always work, and if that’s the case, you’ll need to use the Media Creation Tool and Windows 10 ISO.
We wrote a detailed guide on how to install Windows 10 October Update from an ISO file, so be sure to check it out for step by step instructions.
Once your PC is up to date and you have the latest build installed, the problem should be fixed and you’ll be able to use the dark theme without any issues.
2. Switch to the default theme
- Open the Settings app and navigate to the Personalization section.
- Pick Themes from the menu on the left. In the right pane, select Windows from the list of available themes.
After doing that, you’ll switch back to the default theme, and the dark theme should start working in File Explorer.
Windows 10 supports a wide range of customization, and it allows you to switch between many different themes.
Usually these themes come with their own color palette, and while these themes allow you to customize your Windows experience, they can also sometimes cause issues to appear.
Apparently, the dark theme for File Explorer isn’t available unless you’re using the default theme. Several users confirmed this, and according to them, the dark theme became available as soon as they switched to the default theme.
3. Restart File Explorer
- Open Task Manager. The quickest way to do that is to use Ctrl + Shift + Esc shortcut.
- Locate Windows Explorer on the list. Right-click it and choose Restart from the menu.
After a couple of moments, Windows Explorer should restart and you should be able to switch to the dark theme in File Explorer.
If the dark theme isn’t working on your PC, perhaps the issue is related to File Explorer. Sometimes there might be certain glitches with your system.
However, you can fix that issue simply by restarting File Explorer. To do that, just follow the above steps.
4. Log out and log back in
- Open the Start menu and click your profile icon. Now choose Sign out option from the menu.
- Once you sign out, select your user account to log back in.
As we previously mentioned, sometimes glitches with Windows can cause issues with a dark theme to appear.
According to users, if you’re not able to use the dark File Explorer theme on your PC, you can try logging out of your account and logging back in.
Sometimes this can help you with certain glitches, and you can log out by completing the above procedure. After doing that, you should be able to use the dark theme on your PC.
5. Create a new user account
- Open the Settings app and head over to the Accounts section.
- Select Family & other people from the menu on the left. In the right pane, choose Add someone else to this PC.
- Select I don’t have this person’s sign-in information > Add a user without a Microsoft account.
- Enter the desired username for the new account and click Next.
If you’re still unable to use a dark theme in File Explorer, it’s possible that your user account is corrupted.
This can happen for various reasons, but you can fix this problem simply by creating a new user account.
Since there isn’t a straightforward way to fix a corrupted user account, your best option would be to create a new user account. This is quite simple to do, as you can see above.
After doing that, you should have a new account ready to go. To check if the problem is resolved, switch to the new account and try activating the dark theme.
If the dark theme works on the new account, you should perhaps move all your personal files to it and start using it instead of your old account.
6. Run SFC and DISM scans
- Open Command Prompt as administrator. To do that, press Windows Key + X and select Command Prompt (Admin) from the list. You can also use PowerShell (Admin) if you like.
- After the Command Prompt opens, type sfc /scannow and press Enter to run it.
- The scan will now start. This scan can take about 10-15 minutes, so be sure not to interfere with it in any way.
If the dark theme isn’t working in File Explorer, it’s possible that your installation is damaged. This can happen for various reasons, and in order to fix the problem, it’s advised to run an SFC scan.
The procedure is quite simple, and you can do it by following the previous steps, After the SFC scan is finished, check if the problem is still there.
If you couldn’t run an SFC scan or if the scan didn’t fix the problem, you need to perform a DISM scan by doing the following:
- Start Command Prompt as an administrator, and run the following command:
DISM /Online /Cleanup-Image /RestoreHealth
- This scan can take about 20 minutes, sometimes more, so don’t interfere with it.
After the scan is completed, check if the problem is still there. If you couldn’t run an SFC scan before for some reason, try running it after the DISM scan and check if that helps.
Dark theme for File Explorer is a great addition to Windows 10, but if the dark theme isn’t working for you, the issue is most likely related to the missing updates.
Editor’s Note: This article was originally published in January 2019 and was revamped and updated in December 2020 for freshness, accuracy, and comprehensiveness.