from Trimble or its authorized resellers. SketchUp currently only supports the three most recent versions (currently 2024, 2025, and 2026).
: While some sites like OldVersion may host installer files, these do not include a legal license key required to activate the software. buy sketchup pro 2016
If you already own a 2016 license or manage to find a legacy installer, be aware of significant functional limitations: from Trimble or its authorized resellers
: According to the End User License Agreement (EULA), SketchUp licenses are generally non-transferable, meaning you cannot legally buy a used license from another individual. Limitations of Using 2016 Today SketchUp licenses are generally non-transferable