MacBook Pro lock screen hotkey without sleeping?
High Sierra and higher(?)
As usual every system update changes something.
There is now a Apple Menu item control+⌘+Q that locks the screen!
Sierra and lower
You can add the Lock Screen to your Menubar.

In Spotlight (⌘ + Space) search for Keychain Access

Open Preferences (⌘ + ,)

Check Show keychain status in menu bar This will show a lock in your Menu Bar with an option Lock Screen
(Optional)

System Preferences &gt; Keyboard &gt; Keyboard Shortcuts or Keyboard Tab

In the App Shortcuts or Application Shortcuts section, add a new item for All Applications with the Menu Title of Lock Screen and a Keyboard shortcut that you like.



This way you don't have to change your Screensaver timeout and you can lock your machine much like you do in windows. Note that You may also need to Logout and back in for any changes to the shortcut to take effect.