The Taskbar Thumbnail Preview in Windows 7 help us so much to view the content of opened Windows from the taskbar. But, it is to small to see the content clearly. If you think the Windows 7 taskbar thumbnail priview is too small, there is a tips to make it bigger. There is a simple way to increase the size of Taskbar Thumbnail Preview in Windows 7. You just add a new value on the Registry, then everything is done.

Here are the steps to increase the size of Windows 7 taskbar thumbnail preview in Windows 7:

1. Open Registry Editor by clicking Run. Then type regedit and hit Enter.
2. On the Registry Editor, navigate to the following location:
   HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerTaskband
3. In the RHS panel on the right side of the Window, create a DWORD value named MinThumbSizePx.
4. Next, double click on MinThumbSizePx value you have just created to modify it’s value.
5. On the value editor windows, set the base to decimal. Then change the value to 400.

Everything is done. Now close the registry editor. Then restart or log off your computer. After the computer has restarted you will see that your windows 7 taskbar thumbnail size has increased.

That the way how to increase Windows 7 taskbar thumbnail preview size. Enjoy it!