Authorizations are tied to your account, not a reusable code. You can activate SketchUp on up to two computers simultaneously by simply logging in.
If you find a website claiming to have a list of serial numbers for the 2022 version, you should approach with extreme caution for several reasons: Sketchup Pro 2022 Serial Number And Authorization Code List
If you purchased a perpetual license before the cutoff, your codes would have been sent to you via email from sketchup_license@trimble.com . Free Alternatives to SketchUp Pro Authorizations are tied to your account, not a reusable code
Provides basic 3D modeling tools without the need for a license key. Free Alternatives to SketchUp Pro Provides basic 3D
A current subscription includes access to all older versions, including 2022. After subscribing, you can download SketchUp Pro 2022 from Trimble’s official “Classic Versions” page and activate it with your Trimble ID login (no serial number required).