Use VirusTotal or your local antivirus software to scan the zip file.
If you can provide the where you downloaded this file from, I can help you determine its legitimacy.
The file "DVRNR_windows.zip" appears to be a compressed archive containing software, likely related to a or a network video recorder intended for Windows computers, as suggested by the name convention ("DVR", "NR", "windows").
Without direct, authorized access to analyze the specific contents of this zip file, it is impossible to verify its legitimacy, function, or safety.