Even by today's standards, SketchUp 8 packed a punch. The key features introduced in this version set the standard for future iterations:

This method ensures zero malware, full functionality, and legal compliance (provided you use the free Make version).

A "Portable" application is defined as software that requires no formal installation. It typically runs from an executable (.exe) that unpacks temporary files into a sandbox or memory, allowing the user to run the program from a USB drive.

If you receive a model from someone using SketchUp 2020, you cannot open it directly in version 8. Use this workflow:

Alternatively, use online converters like skp-converter.com (upload with caution for sensitive files).