An Authorization Number is a unique identifier linked to the Classic License Key. It is used to verify the authenticity of the license and ensure that the software is not being used without a valid license.
For free/legal use of SketchUp, consider (web-based) or SketchUp Make 2017 (discontinued, but still available for hobbyist use from SketchUp’s archive). An Authorization Number is a unique identifier linked
If you already own SketchUp 2020 but lost your key, follow these steps: If you already own SketchUp 2020 but lost
Open SketchUp and select on the "Welcome" screen. An Authorization Number is a unique identifier linked
Keep in mind that using SketchUp Pro 2020 without a valid license key or authorization number may limit your access to certain features or updates.
: Search your inbox for a confirmation email from "SketchUp" or "Trimble" sent at the time of purchase.