Manually activate your Unity license if you’re unable to activate it using the other methods.
Important: Manual license activation requires internet connectivity. However, the manual activation method requires internet connectivity for only part of the process, and you can do that part on any connected computer; not necessarily the same computer where you’ll use Unity.
There are two options for manually activating a license:
Submit a license request using the command line and browser:
If you manually activate a license, you can’t return it by using the other license management methods; you’ll need to contact support to assist with the return.