Ctrl + Alt + L (or Super + L depending on version)
This instantly locks your screen and returns to the login screen. Works on all modern Windows versions (7, 8, 10, 11). shortcut to lock system
Windows Key → Click your profile picture → "Lock" macOS Shortcut: Control + Command + Q Ctrl + Alt + L (or Super +
Ctrl + Alt + Del → then click "Lock"
Control + Shift + Power (or Control + Shift + Eject on older Macs with optical drives) Linux (Most Desktop Environments) GNOME / Ubuntu / Pop!_OS / Fedora: Super Key (Windows Key) + L shortcut to lock system