Autocad R12 Download |work| -

Download the latest release from the official GitHub or website. Install it like any other app.

R12 was designed for 16-bit or 32-bit DOS and Windows 3.1. Modern 64-bit versions of Windows (10 and 11) cannot run 16-bit applications natively. 2. Using DOSBox autocad r12 download

Assuming you accept the risks and are moving forward for a vintage PC project, these are the most reputable sources in the abandonware community. Download the latest release from the official GitHub