: If SketchUp is already installed on a machine, go to Help > License > License Info (Windows) or SketchUp > License > License Info (Mac) to view your serial number. Legit Free Alternatives to SketchUp 2019
Pirated files alter core system registries, causing frequent software crashes.
Includes 10 GB of free Trimble Connect cloud storage.
Pirated versions cannot access the Extension Warehouse or standard cloud features. 3. Official Status of SketchUp 2019
If the free codes above don't work or you prefer a more reliable solution, consider the following options:
If you have a valid set of codes, follow these steps according to the SketchUp Installation Guide : SketchUp 2019: License FAQ's