Cracked versions often lose access to the 3D Warehouse , Extension Warehouse , and Add Location features, which are the backbone of a productive SketchUp workflow. The Shift to Subscriptions
Here is a list of SketchUp Pro 2019 serial numbers and authorization codes that you can use: Getting Started with SketchUp Pro 2019: Features, Benefits,
SketchUp moved toward a subscription model starting in 2019. These licenses do use serial numbers or authorization codes. To Activate : Click Sign In on the Welcome screen. Subscription-based Model : SketchUp Pro 2019 uses a
Required a simple sign-in with a Trimble ID (email address). and Add Location features
Log in using your (the email address used for purchase). Your license will automatically authorize online. Managing Your License