Quick answer: You can activate Liquid Notes on two computers, and operate those at the same time.
Maximum number of allowed activationsLiquid Notes comes with a license management system that takes care of trial period and activation of a license on your machine, and the number of installations allowed per license purchased.
Each license of Liquid Notes allows activation of the software on two machines. If you install Liquid Notes on a third machine and try to activate it, while not having deactivated any of the other installations on different machines, a licensing error will be presented.
Follow the instructions in this article if you need to transfer a license from one machine to another - http://re-compose.desk.com/customer/portal/articles/1383539-how-can-i-transfer-a-license-to-another-machine-.
Transfer of a license to another machine