The authorization number acts as the secure cryptographic key that validates the serial number.
When you originally purchased the software from Trimble or an authorized reseller, an automated email was generated. Search your email inbox and spam folders for the following keywords: SketchUp Pro Purchase Confirmation SketchUp License Information Trimble Navigation 2. The SketchUp License Manager Lookup
If the software is already installed and working on an old computer, go to Help > License (Windows) or SketchUp > License (Mac) to view your active serial number. Steps to Authorize SketchUp Pro 2017
For more information on SketchUp 2017 and its licensing, you can: Sketchup 2017 License Key And Authorization Number
If you need 3D modeling software, there are several legitimate, safe, and often free options that avoid the risks outlined above.
SketchUp Pro 2017 relies on a classic licensing system. This system validates your software installation without requiring a continuous internet connection after the initial setup. Activation requires two distinct pieces of data:
If the software rejects your credentials, ensure you are installing the exact sub-version listed in your purchase email. A common mistake is attempting to activate SketchUp Pro 2017 using a serial number intended for the 2016 or 2018 editions. Additionally, ensure there are no accidental spaces before or after the characters when copying and pasting your keys. Overcoming Offline Activation Failures The authorization number acts as the secure cryptographic
Note: For SketchUp Make 2017, a license key is not required. The software was designed to run as a free version for non-commercial use, which simply means you bypass the license entry prompt entirely during the initial installation. How to Find Your Lost License Key and Authorization Code
I can provide specific troubleshooting steps or guide you toward the right support channels. Share public link
: If SketchUp 2017 is already installed on another computer, go to Help > License (Windows) or SketchUp > License (Mac) to view your serial number. Reseller Contact The SketchUp License Manager Lookup If the software
Trimble officially ended support, license generation, and cloud connectivity for SketchUp 2017 several years ago. If you cannot recover your original keys, consider these official options:
Place this file in the appropriate \ProgramData\SketchUp\SketchUp 2019 folder (or equivalent for your version).
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Once the 30-day trial expires without a paid key, the software automatically converts into the permanently free "Make" edition for non-commercial use. SketchUp Pro 2017 (Commercial)