If you know your serial number and the original purchasing email address, you can look up your credentials online. Visit the official SketchUp License Manager Help Portal to request a copy of your full authorization details. Step-by-Step Activation Guide for SketchUp Pro 2020
Trimble officially ended support, upgrades, and maintenance plans for Classic licenses. SketchUp 2020 cannot be upgraded to newer versions (like 2023 or 2026) without purchasing a modern subscription. If you know your serial number and the
to retrieve your authorization code by entering your serial number and registered email. Software Menu SketchUp 2020 cannot be upgraded to newer versions
What you often find are (see results for examples like "SketchUp Pro 2020 v20.0.373 绿色版" or "Keygen" files). Using these is not only illegal (violating Trimble's copyright) but also exposes you to significant security risks. Many such files from forums or file-sharing sites are disguised malware that can steal personal data, damage your operating system, or use your computer for illicit activities. Using these is not only illegal (violating Trimble's