How do I update the game to the most recent version? Jenn L. October 22, 2019 18:19 Updated Follow From KSP Store: You can download the updater file from your account page as well, you can find more in-depth instructions here. You will need to be logged in to your Account to access these downloads. From Steam: Steam will automatically download game updates if the setting is enabled. If you still have questions, submit a support ticket here. Comments 0 comments Article is closed for comments.