Don't. Just don't. G502 HERO firmware update through G HUB is broken. Waited for over 1.5h with the mouse "updating" and not working, and at the end had to disconnect and reconnect
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Amazon.com: Logitech G502 X PLUS LIGHTSPEED Wireless Optical mouse with LIGHTFORCE hybrid switches, LIGHTSYNC RGB, HERO 25K gaming sensor, compatible with PC - macOS/Windows - Black : Video Games