Broadcom Bluetooth Driver for Windows 8.1 (64-bit) Safe Version: v12.0.0.9590 (or later) Option B: The Qualcomm Atheros Driver
There are two methods to get the "Extra Quality" driver. I recommend first, as it utilizes the most stable package verified by the community. lenovo g500 bluetooth driver for windows 10 extra quality
To get your Lenovo G500 Bluetooth working on Windows 10, the best approach is to use the official Lenovo Support site for the most stable and "extra quality" drivers. Step 1: Download Official Drivers Broadcom Bluetooth Driver for Windows 8
If you aren't sure which hardware chip is inside your G500 (Broadcom vs. Atheros): lenovo g500 bluetooth driver for windows 10 extra quality