Since this is a .rar file, you will need a utility like WinRAR or 7-Zip to open it. Typical contents for REW-related archives include:
: Visualizes how sound decays over time (identifying "ringing" or echoes). EWQEQW.rar
: Use a physical SPL meter (or a phone app) to match the volume levels in REW so your readings reflect real-world decibel levels. Since this is a
: Connect a measurement microphone (like the UMIK-1) to your computer. Since this is a .rar file