The T16 class of gaming mice typically falls into the "budget enthusiast" category. Unlike premium brands (Logitech, Razer) which develop massive, bloated software suites, T16 drivers are surprisingly lightweight but suffer from fragmentation. Users often struggle to find the correct software because the branding on the mouse (e.g., Redragon or a generic logo) rarely matches the software developer's name.
If you absolutely cannot find the official driver, consider these third-party tools (each has limitations): t16 wired gaming mouse driver software