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Alternatively, if the .isp15_1 file type is correctly associated with TIA Portal, you can simply download the file and double-click on it in Windows Explorer. This should automatically launch the TIA Portal installation wizard for the support package. This method is often the easiest, but the first method gives you more control.

Upgrading to HSP0276 S7-1200 CPU V4.3 offers several benefits, including:

Uploading a station from an existing physical PLC running V4.3 may result in hardware mismatch errors.

Click the checkbox next to it to select it for installation. Click the button.

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