Many modern antivirus flag BlueSoleil as potentially unwanted (old kernel drivers). Use only from archive.org or the manufacturer’s backup.
One of the main reasons users seek out BlueSoleil is audio quality. Standard Windows drivers often default Bluetooth headphones to "Hands-Free AG Audio" (mono, low quality, designed for calls) instead of "Stereo." BlueSoleil 9.2.4.170 handles the A2DP profile very well, making it easier to force high-quality stereo audio without digging deep into Windows sound settings. bluesoleil 924170 work