Pairing methods: Method 1. Open the official driver G hub. Find and open "Settings" in the options on the upper left corner. Locate the device pairing tool. Open it and start pairing. Method 2. Directly paste the website address in your computer browser: https://download01.logi.com/web/ftp/pub/techsupport/mouse/ConnectUtility_2.30.9_Logitech.exe to download. After downloading, open it and click "Next". For both methods, when operating the mouse switch, the charging cable needs to be disconnected.