There is no official "free list" of serial numbers and authorization codes for SketchUp Pro 2019. These codes are part of the Classic License
SketchUp 2019 was a transitional version that supported two different licensing methods: Classic License Serial Number (typically starting with "UA-") and an Authorization Code
. These were provided via email upon purchase from SketchUp or an authorised reseller. Subscription (Trimble ID) : Most modern users access SketchUp by signing in with a Trimble ID
If you are looking for a free version of SketchUp, consider these official alternatives:
