What is your regarding subscriptions versus free software?

Ensure you have installed the exact version of SketchUp Pro associated with your license.

What of SketchUp Pro (e.g., 2019, 2020) do you currently own?

: You must have active internet access to authorize the software initially.

What (Windows 11, macOS Sonoma, etc.) are you running?

Open SketchUp and select on the Welcome screen. Click the Classic tab.

Look for a confirmation from sketchupmail@sketchup.com . It will contain your Serial Number and Authorization Code .

Legacy software does not receive security patches. As new digital vulnerabilities emerge, outdated software installations can become security risks for your local hardware and network. The Dangers of "Free" License Keys and Cracks

As of , Trimble officially discontinued the sale of new Classic Licenses and renewals for Maintenance & Support plans.

Your classic license will not allow you to update to the current 2026 version of SketchUp Pro.