A toggle key switches input from other keys on the keyboard between two different modes. The most frequent toggle key is Caps Lock, which switches the letter keys between lowercase and uppercase modes.
What is Toggle Keys?
Toggle Key is designed for people with vision loss and cognitive disabilities. When the toggle key is turned on, the computer emits a sound when the keys are pressed. Microsoft first introduced ToggleKeys with Windows 95.
Keyboard
The keyboard is an input device that allows us to send instructions to the computer.

Types of Keys
- Functional Keys - (F1 to F12)
- Alphabetic Keys - (A to Z)
- Numeric Keys - (0 to 9)
- Special Keys - (Space bar, Backspace Key, Shift Key, Enter Key, Symbol and Tab Key)
- Navigation Keys - (Arrow Key, Home Key, End Key, Ctrl Key, Alt Key, Pageup Key, PageDown Key, Delete Key, Insert Key)
- Toggle Keys - (Caps Lock, Num Lock, Scroll Lock)
- Caps Lock: This key helps to convert words to either uppercase or lowercase.

- Num Lock: The Num Lock Key is used to convert part of the main keyboard to act as a slightly skewed numeric keypad rather than letters.
- Scroll Lock: This key allows you to navigate documents using the arrow keys without moving the page.
Enable the Toggle Key
- Step 1: Settings
- Step 2: Accessibility
- Step 3: Keyboard
- Step 4: Toggle Keys
- Step 5: Click the button

Conclusion
In conclusion, toggle keys switch a function on or off when pressed. These toggle keys include Caps Lock, Num Lock, and Scroll Lock. Users can enable or disable sound notifications for when these keys are pressed. Sound notifications help users stay alert whenever any of these keys (Caps Lock, Num Lock, Scroll Lock) are pressed.