How to Turn Off Taskbar Thumbnail Previews in Windows 10

In this tutorial, we are going to see how to turn off taskbar thumbnail previews in Windows 10. By default, when you hover the mouse cursor over an app icon on the taskbar, you get a preview of the open app as a thumbnail and when you position the mouse cursor over the app’s thumbnail preview, you see the minimized app in full size. If you prefer to disable this feature, follow the next steps.
 

Method 1: Turn Off Taskbar Thumbnail Previews in Windows 10 Using Performance Settings

Execute the Run command via the keyboard shortcut Windows + R, then type SystemPropertiesPerformance.exe and press the Enter key or click OK to validate.
 

 

 
Then uncheck the box labeled Enable Peek.
 

 

Method 2: Turn Off Taskbar Thumbnail Previews in Windows 10 Using Registry Editor

Execute the Run command via the keyboard shortcut Windows + R, then type regedit and press the Enter key or click OK to validate.
 

 

 
And go to the following registry key:

Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced

 
Right-click on the Advanced key, select New, then DWORD (32-bit) value and name the new value ExtendedUIHoverTime.
 

 

 
Now double click on the ExtendedUIHoverTime value, enter 25000 in the Value data field and click OK to confirm.
 

 
Close the Windows Registry Editor and restart your computer so that the changes take effect.