求一个最方便安全可以装step7的方案，本人系统win7 64位家庭版，v5.5已试验只有专业版可以安装。

Step7 v5.5支持的系统MS Windows XP Professional SP2 or SP3 MS Windows Server 2003 SP2 / R2 SP2 Standard Edition as workstation MS Windows 7 32 Bit Ultimate, Professional and Enterprise (Standard Installation).The Windows XP mode under Windows 7 is not release yet.Step7 v5.4 sp5 中文版支持的系统MS Windows XP Professional Chinese SP2 and SP3 MS Windows XP Professional Multilingual User Interface Pack (MUI) SP2 and SP3 MS Windows Vista 32 Bit Business Chinese with or without SP1 MS Windows Vista 32 Bit Ultimate with or without SP1希望能帮到您