How to lock screen on mac

Lock Screen on MAC

4
STEPS
TOOLS

first，open keychain app by spotlight，

then, press COMMAND+＂,＂, open preference of keychain, and select "display keychain status in dock menu",

finally, you will see a lock icon in the dock menu, click it and find the "lock screen" item, DONE!

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    Chengdu, Sichuan
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