The ability to import and export CAD files directly.
If you specifically need version 8 for legacy projects, check reputable software repositories like OldApps.com or Internet Archive , though these are typically the standard installers rather than "portable" versions. System Requirements for SketchUp 8
Despite its age, version 8 introduced several "pro" features to the free version that are still useful today: Google Sketchup 8 Portable Free Download
Tools for additive and subtractive modeling (joining or cutting shapes).
The direct successor to the free version of SketchUp 8. It runs in your browser, requires no installation, and is always up to date. You can access it via the official SketchUp website . The ability to import and export CAD files directly
Modern Windows versions (10 and 11) may require "Compatibility Mode" to run version 8 smoothly. How to Get SketchUp Safely Today
If you do manage to find a safe copy, ensure your system meets these (very modest) requirements: The direct successor to the free version of SketchUp 8
Integration with Google Maps (though this legacy service is now largely unsupported in version 8).