Do NOT connect the oscilloscope to your PC until the driver is installed.
The Hanmatek DOS1102 software is designed for Windows. It is not officially supported on macOS or Linux, though some users have reported success using Wine or virtual machines. hanmatek dos1102 software download
Yes, and this is a powerful alternative. If the official Hanmatek software feels basic or glitchy, you can use (part of the sigrok project). Sigrok is an open-source, cross-platform signal analysis suite. Do NOT connect the oscilloscope to your PC