Win7 how to restore the taskbar preview window

1. First, let's press the win+R shortcut on the keyboard to open the running window of the computer. In the open running window, enter gpedit.msc and click Enter, so that you can open win7 Ultimate. The Group Policy Editor window for your computer.

2. In the Group Policy Editor window that opens, let's click once to expand “User Configuration”—“Manage Templates”—“Start Menu and Taskbar ”, then, in the right window, find "Close the taskbar thumbnail" and double click to open.

3. In the edit window of the Close Closed Taskbar Thumbnails dialog box, we can directly change the previous default settings to disabled, and then click OK to save.

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