A lifetime license includes all new versions of RunJS for life. A perpetual license includes all new versions of RunJS for one year. After one year you can continue using the version you have, but you will need to renew your license to get access to newer versions.
Yes. To do this, open the 'Manage License' modal from the app menu and click 'Deactivate License'. This will free up your license for use on another computer.
Alternatively, you can also use the online license manager to deactivate your license on a particular computer.
A full list of shortcuts can be found in the docs.
