You can perform OTA DFU from nRF Connect for Desktop, or nrfutil, both running on Windows 10. Both these alternatives requires an external nRF5x DK or Dongle connected to the PC to handle the BLE communication.
We do not have any examples showcasing DFU through the native BLE of the PC, as this have not been well supported in Windows. If you want to have a go at implementing this yourself, you can find the documentation about the DFU protocol in DFU protocol.
