How to adjust the Win7 preview window size according to user needs

Operation Steps

Open the Start menu, in the Start Search box, type “regedit.exe”, press Enter to open the Registry Editor.

If a user account control window pops up, press “yes  continue.

Locate the following registry key: HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerTaskband

Right-click in the space on the right and select “New”〉“DWORD (32-bit) value”.

Then name it "MinThumbSizePx”."

Next, double-click the newly created “MinThumbSizePx” value. Select “Bases" as “decimal”. Numerical data can be determined by yourself depending on the situation. The default preview window size is about 230 pixels, so you can adjust it up and down. For example, in this article we set it to 300 pixels and zoom in on the window.

Press “OK”. Then exit the registry. You can see the effect by restarting the computer. Is it getting bigger? Want to restore the original? It is also simple, just delete the newly created registry value!