Windows 7: Increase the Taskbar Thumbnail Preview

Microsoft Windows’ introduced the taskbar in Windows 95 and till present in Windows 8. A taskbar is a bar displayed on a full edge of a GUI desktop at the bottom and is used to launch and monitor running applications in the system. You might have noticed that the taskbar thumbnails sizes are always constant. Here is the tutorial how you can change the size of Windows 7 Taskbar Thumbnails.

Increase the Taskbar Thumbnail Preview

Windows 7, vista and XP are found to be more user friendly. This tutorial is based on how to increase the taskbar thumbnail preview. Other OS and desktop environments have been equally utilizing this feature ever since its introduction. If you want to make any changes with respect to the size, then follow the tutorial below.

However, changing the size of Windows 7 Taskbar Thumbnails is quite easy. If you find the thumbnails to be little small for your liking, make them bigger by following the steps described below.

Increase the Taskbar Thumbnail Preview

The process of increasing the taskbar thumbnail preview size in Windows 7 involves changes in Windows registry editor, so make sure to keep backup before making any kind of changes in the registry.

  • Go to start and open the Run dialog box
  • Type regedit and hit enter
  • You will now see the Windows registry window. Now navigate to the location HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Taskband
  • In the Right hand pane of the windows, create a DWORD value named MinThumbSizePx
  • Next, right click MinThumbSizePx and select Modify

change thumbnail preview

  • Assign its decimal value to say, 300
  • Finally, close the Registry Editor & restart the system.

taskbar thumbnail preview

On logging back to the computer you can see that the taskbar thumbnail size has increased.

So, if you are not satisfied with the taskbar thumbnail preview, then follow the steps described above. However an increased thumbnail preview provides better view of the running programs in the system.


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