As of November 4, 2020, SketchUp discontinued the sale and renewal of Classic (Perpetual) Licenses and shifted exclusively to a subscription model.
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Additional Resources
Open SketchUp 2020: On the "Welcome to SketchUp" screen, select the Licensing tab.
If you are having trouble with a specific license, I can help you: As of November 4, 2020 , SketchUp discontinued
Hardware Limits: Classic licenses usually allow for two installations (e.g., a desktop and a laptop) provided they aren't used simultaneously.
Searching for leaked license keys or "cracks" for SketchUp 2020 or 2021 poses several dangers to your computer and your data: Using pirated software, including SketchUp Pro 2020 with
Purchase Directly: If you're looking to use SketchUp Pro for commercial purposes, consider purchasing a subscription directly from Trimble's official website or through an authorized reseller.