1. Windows 自带 Windows Defender (Windows 10)/Microsoft Security Essentials (Windows 7/Windows XP) 优点: 安装简单——Windows Defender 不需要专门安装,只要不特地禁用掉就可以工作; [Microsoft Security Essentials] (Download Microsoft Security Essentials from Official Microsoft Download Center)需要下载安装)。 较少的打扰感——基本没什么好 ...