On the welcome screen, click the window. Click on License in the left-hand menu. Click Add License .
Note: The authorization number is usually masked for security, but the serial number can help customer support locate your account. The Sunset of Classic Licenses and Activation Servers
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Understanding SketchUp Pro 2020 Classic Licenses: Activation, Migration, and Modern Alternatives On the welcome screen, click the window
Unlike modern Trimble IDs that use email sign-ins, Classic licenses validate directly against SketchUp's activation servers. How to Find Your 2020 License Key and Authorization Number
Before diving into how to find a serial number or authorization code, it's essential to understand what the "Classic License" for SketchUp Pro 2020 represents.
What (Windows 11, macOS, etc.) are you running? Note: The authorization number is usually masked for
Are you encountering a when typing in your credentials?
For everyone else, the best paths forward are:
If you own a Classic License, you have the right to continue using it. However, you cannot upgrade it to newer versions, and the download link for the installer may not be officially supported forever. That is why it is critical to safeguard your license credentials and your installer file. If you share with third parties, their policies apply
Software that steals passwords and financial data.
Using a cracked version of SketchUp Pro is a violation of Trimble's End User License Agreement (EULA) and constitutes software piracy — which is illegal in most countries.