For professional tools, you can download a trial of the latest version from Trimble.
Portable builds frequently crash when trying to access system-dependent plugins or rendering engines. Google Sketchup 8 Portable Free Download
512 MB of dedicated VRAM with OpenGL 1.5 or higher support. For professional tools, you can download a trial
The ability to import and export CAD files directly. For professional tools
If you are looking for the modern, supported version of this experience, you have several safer options: