Win7 hidden super useful shortcut summary

Methods/Steps
Sometimes we are getting something and want to change another window. Quickly switch between windows to Alt+tab key

There is also a window switch shortcut key is Win+tab, this shortcut key is 3D switch, the effect is very beautiful, as shown below

If you are doing something, what should someone do when standing behind you suddenly? In one step, press Win+D to minimize all windows.

When you are working on something, sometimes you have to leave. But on your own computer, you don't want others to see it. How do you lock your computer in one step? Press Win+L to get it in one step.

For users who want to use DOS commands, you need to open and run, just press Win+R key, you can open

For Ctrl+C copy, Ctrl+V paste, Ctrl+X cut, Win+E open my computer, Alt+F4 close the current window, these commands are small I won't go into detail, everyone can Baidu.