Since the software is 16-bit, it won't run natively on 64-bit Windows 10 or 11. You have two main options: Option A: The DOSBox Method (Recommended) Install DOSBox : A free emulator for running DOS software. Configure COM Ports

: Originally designed for MS-DOS . Modern users often run it through DOSBox on Windows 10/11 or via a Virtual Machine running Windows 98/XP.

This is the most critical section. Motorola Solutions is extremely protective of its intellectual property. Unlike consumer software, Motorola does not offer public downloads of its radio programming software. Here are the legitimate channels:

Before diving into the download process, it is critical to understand that the GM350 is not a plug-and-play USB device. You cannot simply connect it to a laptop with a printer cable and use a generic app. The GM350 uses a proprietary communication protocol and firmware structure unique to Motorola’s “Professional Series” radios from the late 1990s and early 2000s.

Navigate the DOS menu structure using your keyboard arrows to enter your desired RX and TX frequencies, CTCSS/DCS privacy tones, and timeout timers.

: A common stable version for general programming.

: For each channel, you can configure: