Stellaris instant_build command

This command toggles instantly finishing constructions and upgrades. This also applies to enemy AI, so only use this command when the game is paused.
Command syntax
instant_build
Example
instant_build
How to open the console in Stellaris
Press the ~ / ` key to open the command console. This key is located at the top left of the keyboard, usually under the F1 or ESC key. Type the command and press the Enter key.