SketchUp 2016 was designed for Windows 7/8 and OS X Yosemite. It may crash or exhibit "invisible menu" bugs on Windows 11 or the latest macOS.
The current standard, which includes the desktop application, LayOut, and full 3D Warehouse access. sketchup 2016 license key and authorization code
This was the last "Free" desktop version. While also unsupported, it is often more stable on modern hardware than the 2016 version. SketchUp 2016 was designed for Windows 7/8 and OS X Yosemite
Most modern extensions (Plugins) require a newer Ruby API version than what SketchUp 2016 provides. Modern Alternatives which includes the desktop application