My_best_deal_2.0_lossy-winlinux.zip -

: Use a tool like 7-Zip (Windows) or the unzip command (Linux).

: Use a service like VirusTotal to upload the zip file and check for malicious scripts or Trojans. My_Best_Deal_2.0_lossy-winlinux.zip

If this tool is for media (audio/video/images), "lossy" indicates that it reduces file size by permanently removing some data. Always of your original files before processing them with a lossy compressor, as the quality cannot be fully restored once saved. : Use a tool like 7-Zip (Windows) or