Note: The authorization number will be partially hidden for security, but the serial number will be fully visible. 3. Contact Your Reseller
Trimble officially discontinued the sale of new Classic perpetual licenses in November 2020.
Run the installer you downloaded from the official link. Follow the on-screen installation instructions. During the installation process, you will be given the option to choose between a trial subscription and a Classic License. Select the option. Note: The authorization number will be partially hidden
Avoid typing the codes manually. Copy the codes directly from the email or License Manager and paste them straight into the SketchUp License dialog box. Error: "Maximum Number of Authorizations Reached"
In the world of 3D modeling, few tools have achieved the iconic status of SketchUp. For years, professionals and hobbyists alike have relied on its intuitive interface and powerful features to bring their architectural, interior design, and engineering visions to life. Among the most coveted versions is SketchUp Pro 2020, the last release to support the Classic License model — a perpetual license that allows users to own the software indefinitely. Run the installer you downloaded from the official link
Many built-in features in SketchUp Pro 2020 rely on web services. Components like the , Extension Warehouse , and Add Location (Geo-location data) will no longer function inside the 2020 desktop interface because the connection protocols have been updated to support newer, secure subscription-based versions. A Warning Against Unauthorized "Key Generators" or Links
: True activation requires validation against Trimble's historical databases; generated keys will fail or eventually disable your software. Moving to the Modern Subscription Model Select the option
If you need a legitimate license for SketchUp Pro 2020, note that Trimble no longer sells new perpetual licenses for older versions like 2020. Your options include:
SketchUp Pro 2020 was the final version of the popular 3D modeling software to offer a perpetual "Classic" license. Following this release, Trimble transitioned SketchUp exclusively to a subscription-based model. For users who still own a SketchUp Pro 2020 Classic license, understanding how to locate, activate, and manage your license key and authorization number is essential for maintaining your workflow. What is a SketchUp Pro 2020 Classic License?
A Classic license consists of two distinct alphanumeric codes provided upon purchase:
Moving to the modern subscription model ensures native compatibility with current operating systems, access to the Extension Warehouse, and cloud storage via Trimble Connect. 2. SketchUp for Web (Free)