You can download the official 90-day evaluation version of for free directly from the developer, McNeel , through their official download page . Free Evaluation Details
The trial is a full-featured version that lasts for 90 days . Rhinoceros 7 for Mac Free Download
You must create or log in to a Rhino account to receive your license key; no credit card is required. System Requirements for Rhino 7 (Mac) You can download the official 90-day evaluation version
During these 90 days, you have access to all features, including saving and plugins. you have access to all features