A SketchUp Pro 2020 perpetual license (frequently called a ) consists of two unique alpha-numeric strings provided by Trimble at the time of purchase:
| Problem | Solution | |---------|----------| | “Invalid serial number or authorization code” | Double-check case sensitivity – codes are alphanumeric. Use copy-paste from your Trimble Account. | | Authorization number doesn’t generate | You must be online during activation. Disable VPN/firewall temporarily. | | License already in use on another machine | Deactivate the old computer via Trimble Account, then reactivate on the new one. | | Software crashes on launch (Windows 11) | Run SketchUp in compatibility mode for Windows 10. Update graphics drivers. |
Once you have located both your serial number and authorization number, follow these steps to activate your software copy. Step 1: Install the Correct Version
: Click Add License and paste your "U" code and authorization number.
Note: If the welcome screen doesn't show, go to Help > License and click "Add Classic License". sketchup pro 2020 license key and authorization number
If a model file opens directly, navigate to the top utility menu. Click (Windows) or SketchUp (Mac) and select License . Step 2: Input Your Authorization Credentials
Search your email inbox for messages from , Trimble , or your local Authorized Reseller . Use search phrases like: SketchUp Pro 2020 Order Confirmation Your SketchUp Pro License Information SketchUp Authorization Number Locate Credentials Inside the Software
. While SketchUp officially ceased selling new Classic Licenses on November 4, 2020, existing licenses for the 2020 version remain valid and require a specific Serial Number Authorization Number to activate. Symetri.us Activation for Classic Licenses
SketchUp 2020 uses advanced hardware fingerprinting. Even if you find a valid key, when you enter it, the software sends your computer’s motherboard serial number, hard drive ID, and MAC address to Trimble’s servers. If the "Authorization Number" doesn’t match that specific machine, the software reverts to "Free Trial" mode or shuts down completely. A SketchUp Pro 2020 perpetual license (frequently called
To retrieve or authorize a SketchUp Pro 2020 license key (serial number) and authorization number, you must use your purchase confirmation or the official license management tools. Finding Your License Details
licenses like precious relics, as it was the final year Trimble offered the perpetual "Classic License" before fully embracing the subscription age. SketchUcation The Legend of the Lost Email
Modern versions of SketchUp rely on a . Instead of typing in long codes, users log in with an email address and password associated with an active subscription plan. Legacy Support Status
"The license you added is not a valid SketchUp Pro 2020 license" Disable VPN/firewall temporarily
If you have a subscription-based license, go to myaccount.trimble.com to view and manage your assigned seats. Authorizing SketchUp Pro 2020 Open SketchUp: Launch the application on your desktop.
: Open SketchUp on your old device, go to Licensing , and click Remove License to free up a slot. The Risk of Using Keygens and Cracks
If you still have SketchUp Pro 2020 running on an old computer, you can view your serial number directly within the application interface: