Ensure you have the SketchUp Pro 2020 installer. Note that Trimble no longer hosts installers for versions older than the last three years on their main page, so you may need to access their "End of Support" archives.
Trimble officially ended support, upgrades, and maintenance plans for Classic licenses. SketchUp 2020 cannot be upgraded to newer versions (like 2023 or 2026) without purchasing a modern subscription.
Carefully copy and paste your License Key and Authorization Number into their respective fields.
If applicable, enter the serial number (if you have the key but missing the authorization number). Ensure you have the SketchUp Pro 2020 installer
Enter the email address associated with the original purchase.
Understanding the SketchUp Pro 2020 Classic License: A Complete Guide
Open SketchUp 2020 on the new machine and use your key/code. Troubleshooting License Activation SketchUp 2020 cannot be upgraded to newer versions
: Cracked software is a primary vector for malware. Cybersecurity firms have uncovered sophisticated campaigns using malicious GitHub repositories that disguise malware, like the Lumma Stealer , as cracked versions of popular software, including SketchUp Pro . This malware is designed to steal sensitive information from your computer, such as login credentials and personal data.
SketchUp 2020 was designed for Windows 10 and macOS Catalina/Mojave. Running it on Windows 11 or macOS Sonoma may cause "Internal Communication Errors" during the authorization process. The Future of Classic Licenses
Check the first letter of your license key. A 2020 license key must match the specific version installer you have running. "Validation Server Unreachable" Enter the email address associated with the original
: Purchasing a classic license meant you paid a one-time fee to own that specific version of the software forever.
Acts as the secure password that validates the License Key against SketchUp’s activation servers. How to Find Your 2020 License Credentials
When you bought your license, an automated email was sent to you from .
If you have a legitimate license, here is the step-by-step activation process:
How to Find and Activate SketchUp Pro 2020 Classic License (Serial Number & Authorization)