The year 2020 marked a pivotal shift in SketchUp’s history, serving as the final year that the software was offered under the "Classic" (perpetual) licensing model. For users of SketchUp Pro 2020, the Classic License Key Authorization Number
A unique string of characters identifying your specific license.
A single Classic license allows installation on up to (for example, a desktop and a laptop). However, you cannot run the software on both machines at the exact same time. If you buy a new computer, you must explicitly remove the license from your old machine before activating it on the new one. Operating System Compatibility
You still legally own your SketchUp Pro 2020 classic license. You can continue using it forever on compatible hardware. The year 2020 marked a pivotal shift in
Understanding the is essential for users who prefer perpetual software ownership over modern subscription models.
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.
By respecting the licensing terms and following the activation steps carefully, you can continue to enjoy the powerful features of SketchUp Pro 2020 securely for years to come. However, you cannot run the software on both
Users with expired maintenance plans no longer receive technical support or version upgrades. Legacy Downloads:
A secondary code required to activate the license on a computer.
A Classic License is unlocked using a combination of a and an Authorization Code . These two pieces of information together form what many users refer to as the "classic license key and authorization number." You can continue using it forever on compatible hardware
To activate SketchUp Pro 2020, you need a unique pair of codes provided at the time of purchase:
To activate your classic license on a computer, follow these steps:
Cracked versions often disable core background processes, leading to frequent software crashes and corrupted project files. Moving Forward: Classic License vs. Subscription
If you previously purchased a perpetual license for the 2020 version and need to reinstall it on a formatted or new computer, you can retrieve your credentials using official channels. 1. Check Your Original Purchase Email