Officially supports Windows XP, Vista, 7, 8, and 10.
: Features a built-in voltage doubler to boost USB 5V to the ~12.5V required for some EPROM fusing Limitation Top2049 Universal Programmer Software Download
It uses USB 2.0 (Full Speed) and requires an external 12V DC adapter (critical: voltage ripple kills these units). For the price, the hardware is surprisingly robust. The problem is entirely on the software side. Officially supports Windows XP, Vista, 7, 8, and 10
This is the standard software provided by the manufacturer. It is primarily compatible with older Windows versions like XP and 2000, though some newer versions (like v6.3.1) have been reported to work on Windows 7. Officially supports Windows XP