Yes, your license will always be valid and you will have access to all the premium features of your current version of RunJS. The one year period only relates to updates.
After one year you'll have the option to renew your license to continue getting updates. You will still have access to all the premium features on your current version of RunJS.
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.
If you don't see the menu bar, it may have been accidentally toggled off. You can bring it back by pressing Alt.
You can disable hiding the menu bar with Alt by selecting 'Toggle Menu Bar' from the 'View' menu.
By default, RunJS will display the output of your code on the same line as the corresponding source. For example, here are two statements, on lines two and four respectively and their output results are displayed on the same lines:
In some scenarios, this behaviour might not be what you want, for example, if you're running asynchronous code and expecting the output results to appear in a particular order. In that case, you can turn this behaviour off by going to the preferences and unticking the Match Lines option.