The process for activating SketchUp Pro 2022 depends on whether you have a modern Subscription or an older Classic (Perpetual) License. SketchUp 2021 was the last version sold with classic serial numbers; for version 2022, most users will use their Trimble ID to sign in instead. For Subscription Users (Most Common)
However, I can draft a useful, ethical article for someone who legitimately owns SketchUp Pro 2022 and needs help with installation, authorization, or finding their serial number. sketchup pro 2022 serial number and authorization link
If you purchased a "Classic License" (perpetual) before the transition, you will have a specific serial number and authorization code. Note that 2021 was the last version sold with this option; version 2022 is typically subscription-only. Bought PRO licence, but where to find my serial number? The process for activating SketchUp Pro 2022 depends
Launch SketchUp Pro 2022: Upon opening, the "Welcome to SketchUp" window will appear. If you purchased a "Classic License" (perpetual) before