Official website, a cow man said: "Cowman integrates the world's leading Kaspersky anti-virus engine for free, independently develops an efficient and lightweight cloud engine, and combines the two swords to perfectly remove the virus Trojan, without activation, permanently free, compatible with other anti-virus software, more stable and safer."

Personal feeling: the interface is clean and refreshing, the scanning speed is acceptable, and the system takes up less space, which is better than 360 antivirus.