Download Driver All In One PC Acer Aspire C20-820 for Windows 10 x64 (64Bit) Audio Driver Date: 2018/06/15 Version: 6.0.1.7614 Vendor: Realtek Size: 226.1 MB Bluetooth Driver Date: 2018/06/15 Version: 19.60.0.3 Vendor: Intel Size: 20.0 MB Bluetooth