1. Hi guest blogger,

    First of all thanks for the question without a lot of detail I’m not sure this will help. Before we start there are a lot of benefits to registering, i.e., notifications of new posts, notifications of new replies to your posts etc. so please if this is something you might be interested in Register Here!

    This is a bit of a hack so try at your own risk:
    To install STEP 7 v5.5 SP3 (DVD update release) follow these steps.

    1. Download and install the latest 64-bit version of automation license manager https://support.automation.siemens.com/WW/view/en/114358.

    2. Copy DVD content to any directory on hdd.

    3. Modify ./Setup.exe using any resouce modification software. Eg ResourceHacker. Add the line

    <supportedOS Id=”{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}”></supportedOS> //this is the os ID of Windows 8 64bit

    4. Modify ./InstData/Setup.ini under section OS.

    PlattformIDAllowed = 1;2;3

    Add the lines


    5. Modify all msi-files to enable the ingore-button on installation failures (like installing on unsupported OS’s). Use any software possible to manipulate MSI-files. E.g. InstEd.

    Search for DLG_INSTALLATIONREQUIREMENTS_DISABLE_IGNORE. Change Action from Disbale to Enable.

    Run ./Setup to start installation. Press the ingore-button when told it’s not possible to install on running OS.

    Good luck!

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