Keyboard Shortcuts to switches windows

By using keyboard shortcuts to switches between one application to other application that have opened on our computer will facilitate us in working with computer. Here, several shortcuts to swithes between application windows.
1. Press and hold Alt button and press Tab button, to switches between application that we have opened, try to know
2. Press and hold Ctrl button and press Tab button, to switches one tab to other tab on Mozila, crome or other software internet.
3. Press and hold Alt button and press F button, to access toolbar option on every application, Office, Internet explore and other application.

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