Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. The setup package generally installs about 96 files and is usually about 37.61 MB (39,438,238 bytes). The primary executable is named CsrBtOBEXService.exe. The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with.

Delaying the start of this service is possible through the service manager. It adds a background controller service that is set to automatically run. Manually stopping the service has been seen to cause the program to stop functing properly. Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. The most common release is 2.1.63.0, with over 98% of all installations currently using this version.

CSR Harmony Wireless Software Stack is a software program developed by Cambridge Silicon Radio Limited.

Csr 4.0 harmony driver