Can I set my client up as an additional Castaway user? Michael Ford November 19, 2020 06:40 Updated Follow No. Your client will need to subscribe for a separate full licence. Related articles Transfer a Castaway licence to another computer (different user) System Requirements Can I install Castaway on ... Reporting your Machine ID Transfer a Castaway licence to another computer (same user) Comments 0 comments Please sign in to leave a comment.