While I got no problem connecting my BV6000 to Windows7, the PC running Windows10 could not mount MTP storages of the phone. Investigation in device manager showed "unknown" device and every try to reinstall drivers resulted in message about faulty section in the .inf file.
I don't trust any downloaded content some recommended, so I looked for another way that I was feeling is safe.
When the phone was connected and set to MTP,I opened the Windows INF folder (usually C:\Windows\inf), found file wpdmtp.inf, right-clicked and selected Install from the pop-up menu. Confirmed installation and got my BV6000 visible.
BV6000 P2 BV9500Pro