Windows - Be prepared - Faulty keyboard
Should your keyboard become faulty, or stop working, Windows has an on-screen keyboard built in. You can activate this by right-clicking the taskbar, and ticking Show touch keyboard button; the keyboard button will appear next to the clock. You can then use the mouse to type. Activate it before you need it, and explore the various functions it has.
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More information here: https://bit.ly/3gvvo8v