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
Logitech G502 Hero Gaming Mouse
Logitech G502 Hero Gaming Mouse | Ezpz Solutions
Logitech G502 Hero Gaming Mouse
G502 X Plus Wireless RGB Gaming Mouse | Logitech G