For the most reliable experience, check for updates directly through Windows Update or your PC manufacturer's official support site, such as Dell or Lenovo , depending on your system.
However, by 2021, many users upgrading to Windows 10 (21H1/H2) or Windows 11 encountered significant driver issues. The manufacturer’s included CD often contained outdated 2015-era drivers, leading to connection drops, code 10 errors, or the device failing to appear in Device Manager. bm05ev2 01 bluetooth driver 2021