How do I get my “invite code”? Anamika October 20, 2017 10:51 Updated You receive this code when you sign up for S4. Related articles How do I get started with Gridsync? How is Gridsync related to S4? Can invite codes be used multiple times? How do I manually configure Gridsync to work wth S4? Is my S4 account unlimited? Comments 0 comments Please sign in to leave a comment.