Step 1Go to wherever your AK folder is. Mine is kept here:
Step 2Open the AK folder and find this file, it should be in the
main game folder. Open the file in
Notepad:
Step 3Find this in the file you've just opened, it should be near the top of the file:
You can edit it however you like to fit the dimensions you prefer. Mine is 1200x740 as you can see in the earlier screenshot.