Once you have ArcGIS Pro installed, there are two items that you can configure and use. See Adding Software Using the Software Center (Windows 10).
Students, faculty, or staff wishing to use ArcGIS Pro online features can create an account at the ArcGIS website. ArcGIS Pro online features include:
Students, faculty, or staff wishing to add additional software features/extensions can confirm the current license features and configure additional software features/extensions for ArcGIS Pro:
Configure the license to install additional software/extensions . This does not require a sign-in to ArcGIS pro nor administrative rights.