For users who require a "permanent" solution without monthly fees, keeping a backup of the 2020 installer and your unique authorization codes is the only way to ensure long-term access to your CAD environment. Are you trying to to a new computer? Do you need help finding the official installer file ? Share public link
was a milestone release, representing the final version of the software available under a perpetual Classic License before Trimble transitioned exclusively to a subscription-based pricing model. For users who invested in this version, the Classic License Key (Serial Number) and Authorization Number are the digital assets required to unlock the software permanently without recurring fees.
If you already own a valid Classic License for SketchUp Pro 2020, you can continue to use it. However, you will not receive new feature updates, and after a certain period, you may lose access to official technical support. The model has been replaced entirely by subscription-based plans. For users who require a "permanent" solution without
Navigating the installation, activation, and management of a SketchUp Pro 2020 Classic license requires understanding how serial numbers, authorization codes, and Trimble’s legacy activation servers interact. What is a SketchUp Pro 2020 Classic License?
: Open the application. The Welcome to SketchUp dialog box will appear. Share public link was a milestone release, representing
If SketchUp is already installed and active on a device, go to Help > License (Windows) or SketchUp > License (Mac) to view the Serial Number.
: Requires manual entry of the Serial Number and Authorization Code on the "Welcome" screen under the "Add Classic License" tab. Device Limit : You can install and authorize the software on up to two devices However, you will not receive new feature updates,
: A secondary password string linked directly to that serial number.
Finding your details is like tracing back to the final era of "perpetual" ownership before everything moved to subscriptions. The Story of Your License