Prerequisites
Review Windows Server 2022 release notes and system requirements.
Register, then download and install. (Note: This evaluation edition expires in 180 days.)
Receive emails with resources to guide you through your evaluation.

Installation Guidelines
After installation, install the latest servicing package.

Go to: Microsoft update catalog and search for “Windows Server 2022”.
Evaluation versions of Windows Server must activate over the internet in the first 10 days to avoid automatic shutdown.