有哪位大俠能否告訴我在win7旗艦版下安裝step7 v5.4 sp5，如何裝？感謝，

不能，32位的Windows7 U版P版E版可以裝step7 v5.4
Step7 v5.5支持的系統
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 中文版支持的系統
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