: Version 2020 has not been supported for several years. Web-based services like the 3D Warehouse and Extension Warehouse may no longer function within the 2020 desktop application. Managing Your 2020 Classic License Key
If you have a legitimate 2020 Classic License, hold onto it! It is a piece of software history. However, if you are struggling with activation errors or need modern features, it may be time to consider the SketchUp Pro Subscription. To help you get the most out of this, could you tell me: Are you trying to an existing key or find a new one operating system are you running (Windows 11, Mac M1, etc.)? Are you getting a specific error message when you try to open the program? I can provide specific troubleshooting steps once I know your setup! sketchup pro 2020 classic license key upd
Usually 2 concurrent activations per classic license (depending on original terms). : Version 2020 has not been supported for several years