The software for the DT-8852 series is often referred to as the "Sound Level Meter Software" or specifically tailored for the DT-885x series. It is important to note that software for the DT-8852 might be compatible with the DT-8850 or DT-8851, but you should always check the release notes.

Launch the installed software. Turn on your DT-8852 sound level meter. Connect the USB cable. In the software interface, look for a "Connect," "Communication," or "Settings"

Always prioritize the official Cem website or the website of the authorized distributor from whom you purchased the device. Searching generic terms like "free sound level meter software" can lead to third-party sites that may host malware or outdated, incompatible drivers.