How to Change Alt-Tab Transparency in Windows 10

This was a tip I found on the MakeTechEasier website (a very handy website that I can recommend you visit) for changing the alt-tab transparency in Windows 10 and I thought people may find it useful so thought I'd share.

Change Alt-Tab Transparency in Windows 10

Note: before making any changes, make sure that you have a good backup of your Windows Registry. This helps you to restore your Windows system if anything happens.

  • To change the alt-tab grid transparency in Windows 10, search for regedit in the Start menu and click on it to open the Windows Registry Editor.

  • After opening the Windows Registry Editor, navigate to the following location:


  • Now we need to create a new key. To do that, right-click on the “Explorer” key and select the option “New” and then “Key.”

  • Name the key MultitaskingView and press the Enter button to confirm the name.

  • After creating the key, we need to create one more key. Again, right-click on the newly created key and select the option “New -> Key.”

  • Name the new key AltTabViewHost and press the Enter button.

  • Select the newly-created key, right-click on the right panel and then select the option “New” and then “DWORD (32-bit) Value.”

  • The above action will create a new blank value. Name the new DWORD value as Grid_backgroundPercent and press the Enter button.

  • By default, the DWORD value will have its Value Data as “0,” which simply means that the alt-tab background will be completely transparent.

  • If you want the alt-tab background to be completely solid with no transparency, then we need to change the Value Data. To do that, double-click on the DWORD value to open the Edit Value window. Enter the Value Data as “100,” and click on the “OK” button to save the changes.

  • After making the changes, don’t forget to restart or re-log in to your system to make sure the changes take effect. From this point forward, the alt-tab background will be completely solid.

  • As you can tell from the entered values, “0” represents complete transparency, and “100” represents no transparency. i.e. a solid background. So to increase or decrease the transparency, all we have to do is use a value that is in between 0 and 100. For instance, if I use 50 as the Value Data, 50% transparency will be applied to the alt-tab background.

  • To restore default transparency, simply delete the newly-created DWORD value.

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