Prevent game from capturing the mouse

I have a game that uses the mouse for UI elements but not for like 3D mouse look or anything.

However clicking in the window “captures” the mouse until the user hits the windows key.

Is there a way to prevent the game from “capturing” the mouse and just acting like a window?

Explore the Engine > Input section of the Project Settings:

The Viewport Properties give you control over handling mouse capture. You will most like want to set the Default Viewport Mouse Capture Mode to No Capture

Looks like I could have found this just by searching capture in the Project Settings. Thanks for helping me out so quickly!