The Nebulb license allows you to install and use the software on 2 computers.

To install it you can download Nebulb from the following link: https://help.nebulb.com/portal/en/kb/articles/download-nebulb

And to login to Nebulb you just have to use your email and the same password that you set.

If you don't remember the password, you can change it when accessing Nebulb. Here is explained how to change the password: https://help.nebulb.com/portal/en/kb/documentation/login-to-nebulb