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How to simulate the operation of keyboard and mouse by using key wizard without installing keyboard and mouse?
When there is no mouse, when the keyboard is used to replace the mouse, first select the operating object (group) with the tab key, then move the selected software icon up and down with the Arrow key of the keyboard, enter the Start menu with the win key, and replace the right mouse button with the Menu key or shift and F 10.

Click or double-click with the "enter" key instead of the left mouse button, switch between menu options with the "TAB" key, close the current interface with the "Alt+F4" key, and directly return to the computer desktop with the "Win+D" key;

You can also use the following methods:

1, open the desktop icon. In the case of returning to the desktop, press the arrow key and you will find that the desktop has the selected effect. Press Enter to open the selected software.

2. Select the icon of the selected taskbar. Win+T key combination can switch the icon in the taskbar, press the left and right arrow keys to switch left and right, and then press enter to prompt: win+tab can also switch, and alt+tab can also switch, with the same result but different effect.

3. Select the small icon in the taskbar (in the lower right corner). Win+b key combination, move left and right to select, and press Enter to pop up the selected software. If the mouse is broken, you can also turn off QQ.

4. Operate the right button. Corresponding to the right mouse button of the keyboard, the function of this key is equivalent to the right mouse button of the corresponding position.

5. Turn on the computer. Win+E key combination can open the computer.

6, enable the number keys instead of the mouse. Win+u key combination opens the Easy Access Center, press tab or arrow keys to select "Make the mouse easier to use" to enter the next step, and select "Control the mouse with keyboard"-"Enable mouse keys" (hint: press the space bar to select or cancel). More detailed settings can be set in Set Mouse Keys and then Apply->. As long as you "OK", a white mouse will be displayed on the right side of the taskbar, which proves that it was opened successfully.