mx16Kingsoft Internet Security (Jinshan) is one of China’s most popular free antivirus solutions, developed by Kingsoft — the same company behind WPS Office. The 2026 version delivers surprisingly robust protection with a clean, lightweight interface.
Features
- Real-time antivirus and anti-malware protection
- System vulnerability patching
- Network attack prevention
- Privacy protection
- Junk file cleaner
- Process manager
- Startup optimization
- Free for personal use
Verdict
Kingsoft Internet Security is a capable free antivirus for users in China and Chinese-speaking regions. It offers solid basic protection with useful system optimization tools, entirely free of charge.
