iPhone Life - Best Apps, Top Tips, Great Gear

Locking the keyboard but nothing else on your Mac requires a third-party app; but in most cases, you don't actually need this. Whether you want to lock the keyboard on a Mac to clean it, or you have young kids, or a mischievous pet that likes to lay across your keyboard, the easiest way to protect against unwanted changes or entries in text fields is to simply lock your Mac screen.