After the import is complete, you will see the Weatherade SRS and the additional tools at the Window ⇒ NOT_Lonely menu. The Coverage Instance and the GPU Particle System can be found at the GameObject ⇒ NOT_Lonely ⇒ Weatherade creation menu.
If it's your first time using Weatherade SRS or you just updated to the newer version, you will see a popup start screen. You can download the demo content from this window and find some other useful info there.
Weatherade supports URP since v1.1.0.
To use Weatherade in URP, first complete all the steps for the Built-in Render Pipeline. Then follow these steps:
Alternatively, you can import the WeatheradeSRS_URP unitypackage manually from the Assets\NOT_Lonely\Weatherade SRS\URP Support folder.
After the import is complete you can use Weatherade in URP. To make the demo content works in URP as well, you should import the WeatheradeDemoContent_URP unitypackage which is placed in the Assets\NOT_Lonely\Weatherade SRS\Samples\DemoContent folder.