If you're interested in creating your own SketchUp Pro media (CD, flash drive, etc.), Please feel free to download the install file and burn it to the media of. There have so many posts been written about the perpetual license. how long they will keep the SU installer available for download?
 
 

Re: Sketchup 3D Warehouse Formats - Graphisoft Community

 
The last version of SketchUp that can be updated to, by a Classic license, is the version.