How to change the clarity of win7 pure computer preview window?

In our w764 Ultimate system download, there are some very user-friendly settings, of course, it is also a setting that can reflect the visual effect of win7 pure version, that is the preview window setting in win7 pure version, through the preview window of each taskbar We can see the status of the task without opening the taskbar, saving a lot of steps in the middle, but for some users, this preview window seems to be not very ideal, because its clarity does not seem very good, in fact The clarity is not good, we can adjust, below, Xiaobian will introduce how to change the clarity of the win7 pure version preview window.
1. First, let's press the win+R shortcut on the win7 pure keyboard to open the running window of the computer. After that, enter regedit in the running window and click Enter. This will open the win7 pure version. The registry editor window is up.
2. In the open win7 pure version of the registry editor window, we click to expand HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Taskband in the left menu.
3. Next, let's move the mouse to the right window, then just click on the right mouse button and select the new -DWORD 32-bit value. Let's name the new value MinThumbSizePx. After that, we double-click to open it. MinThumbSizePx, will change the value data to 450, the base number to decimal, and finally click OK to save the settings.