GNU/Linux Zorin OS Installing NVIDIA GeForce RTX 5090/5090-D Driver Guide
You are Welcome! The Tutorial shows you Step-by-Step How to Install Latest NVIDIA GeForce RTX 5090/5090-D Graphics and GPU Driver in Zorin OS 15+ LTS GNU/Linux Desktops.
The NVIDIA GeForce RTX 5090/5090-D Driver Zorin OS Setup is Simple and involves only the Execution of few Basic Shell Commands.
Moreover, following the NVIDIA Recommendations is better to use the tested NVIDIA Linux Graphics Driver from the Ubuntu Repository.
Then with the nvidia-settings Tool you can configure Brightness, Gamma, XVideo attributes, Temperature, and OpenGL.
Especially relevant, prior to the Driver Setup you may consult:

GNU/Linux Zorin OS GeForce RTX 5090/5090-D Driver Installation Guide