step 1 download the 0.74 update (steam must restart)
step 2 launch the game
step 3 click on editing
step 4 place a unit and set as player
step 5 click preview
step 6 press esc to open up the debug console
step 7 alt + tab go to your desktop
step 8 right click on your desktop create a new text document
step 9 create a script like hint "hello world";
step 10 copy the text (ctrl + c)
step 11 return to game (alt + tab)
step 12 paste your script in the debug console (ctrl + v does not paste)