Here is the no-nonsense breakdown. 1. The "Last of the Mohicans" for Desktop Simplicity SketchUp 2013 was the final version before the heavy integration of 3D Warehouse overhauls and the shift toward subscription-only licensing. It boots up in under 5 seconds on modern hardware.
This version runs on a netbook. No GPU rendering demands, no 8GB RAM minimums. If you are modeling simple furniture, floor plans, or basic terrain, 2013 is lightning fast. The Hard Truth: The Risks & Limitations Before you download that .exe from a random forum, understand these three things: Sketchup 2013 Pro Portable
If you decide to hunt down a copy, keep it isolated to a virtual machine or an offline laptop. For everyone else, Trimble’s free is safer, albeit slower. Here is the no-nonsense breakdown