FilterKeys (or Filter Keys) is an accessibility feature of Microsoft Windows.
It configures the keyboard to ignore brief or repeated keystrokes, making typing easier for people with hand tremors, who may accidentally press keys multiple times.
There are two primary ways to enable FilterKeys: Keyboard Shortcut: Hold down the right ⇧Shift key for 8 seconds.
An audible cue will sound, and a pop-up notification will appear, confirming that FilterKeys has been activated.
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