Tia Portal v12 SP1 for the following operating systems : MS Windows XP Home SP3 (only for STEP 7 Basic) MS Windows XP Professional SP3 MS Windows 7 Home Premium SP1 (only for STEP 7 Basic) MS Windows 7 Professional SP1 MS Windows 7 Enterprise SP1 MS Windows 7 Ultimate SP1 MS Windows 2003 Server R2 Standard Edition SP2 (only for STEP 7 Professional) MS Windows Server 2008 Standard Edition SP2 (only for STEP 7 Professional)Here are some instructions, how to install Tia Portal v12 SP1:First: go to Step7 folder, run SIMATIC_STEP_7_Professional_SP1_for_V12 extract file somewhere.

PLEASE CAREFURE: CHOOSE EXTRACT THE PRODUCT WITHOUT BEING INSTALLED.

Extract the product without being installed,Go to folder where you extracted, and in Folder InstData -> Resources,Open and edit the file SIA2.ini Configuration Settings .... find {TermMessage29} see in picture and put an ; at the beginning line...

Then, run application .Second:Go to PLCSIM folder then extract SIMATIC_S7_PLCSIM_V12_SP1 somewhere and run it ( dont make anything)Third: Go to StartDriver folder then extract SINAMICS_Startdrive_V12_SP1_Optionspaket then click Start.exe to run programFourth: Go to WINCC folder then extract SIMATIC_WinCC_Professional_SP1_for_V12 somewhere then run it.Fifth: extract Simatic_EKB_Install_2013_05_26 then run it, next choose TIA Portal v12(2013) then select all then click all button is used to install all selected license keys