: Upload the file to VirusTotal to check it against over 70 antivirus engines simultaneously.

: Ensure you are using the latest version of 7-Zip or WinRAR to avoid known security exploits.

: Compressed archives are frequently used to hide trojans, miners, or keyloggers from basic email/browser scanners.

: If a "checksum" (MD5 or SHA-256) was provided where you downloaded the file, verify that your file matches it using a tool like HashTab or PowerShell's Get-FileHash .