PLEASE HELP!!!

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STEP 7 V5.4 incl. SP1 is a 32-bit application that is released for the following operating systems:
Operating System Service Pack
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+ MS Windows 2000 Professional SP4
+ MS Windows XP Professional SP 1 (or SP1a) or SP2
+ MS Windows Server 2003 Standard Edition as a workstation computer
(Exception: SIMATIC M7, refer to Notes on Usage, Section 2.18)
+ MS Windows Server 2003 SP1 Standard Edition with or without R2 as workstation
computer (exception: SIMATIC M7, see also, instructions in Section 2.18)
STEP 7 V5.4 incl. SP1 will NOT RUN in:
x MS Windows 3.1
x MS Windows for Workgroups 3.11
x MS Windows XP Home
The operating systems MS Windows 95, MS Windows 98SE, MS Windows Millennium and MS Windows NT 4.0 are no longer supported since STEP 7 V5.3.