Darkroom Booth 3 is a one-time purchase for the full software and includes 1 year of software updates and maintenance. When your maintenance plan expires, your software will still continue to function but you will not have access to support or the latest versions of Darkroom Booth. A one-year maintenance plan is available for $95.

Single activation code on one computer named DESKTOP-SHCLO1E. Originally activated in Feb 2020
It does if it does not connect to the internet at least once every 6 months they will get a message. In the future, customers would need to contact support to have the code reset if that happens.