If you still cannot find it, reply with the from Device Manager → I’ll locate the exact driver for you.
There is no centralized official Advik driver repository. Instead, identify the underlying chipset (likely CSR8510 A10) and download the corresponding generic driver. advik bluetooth dongle driver zip
Several reputable driver download sites maintain collections of Bluetooth drivers that work with generic dongles. The on MajorGeeks is one such resource—a comprehensive ZIP file collection containing drivers from MediaTek, Intel, Qualcomm, and other major manufacturers. If you still cannot find it, reply with