官方
http://support.automation.siemens.com/CN/llisapi.dll?query=STEP+7+V5.5+SP2+Chinese&func=cslib.cssearch&content=adsearch%2Fadsearch.aspx&lang=en&siteid=cseus&objaction=cssearch&searchinprim=&nodeid99=&x=17&y=3
下載鏈接
http://support.automation.siemens.com/CN/llisapi.dll/csfetch/60015784/SIMATIC_STEP7_V55_SP2_Chinese.zip?func=cslib.csFetch&nodeid=60035239

可以直接安裝
只要修該CD-1,CD-2的Setups文件中
[TERMS]
Term1=Registry%%\HKEY_LOCAL_MACHINE\SOFTWARE\Siemens\AUTSW\STEP7\ProdType%%REGSZ%%<>%%PC-EDITION%%TermMessage2%%0
修改為

[TERMS]
;Term1=Registry%%\HKEY_LOCAL_MACHINE\SOFTWARE\Siemens\AUTSW\STEP7\ProdType%%REGSZ%%<>%%PC-EDITION%%TermMessage2%%0

SP2  系統能用嗎？