Siemens TIA Portal (from V13 onward) and STEP 7 Classic (V5.5 + SP4) no longer officially support Windows XP. But for older STEP 7 versions (V5.4, V5.5) and WinCC Flexible, XP remains the most stable environment. The key challenge? Getting the to communicate over the MPI, PROFIBUS, or PPI networks.
. If these are already installed, the adapter may work plug-and-play. Siemens SiePortal Installation Steps Simatic Pc Adapter Usb A2 Driver Windows Xp
If you are getting a during installation? Siemens TIA Portal (from V13 onward) and STEP 7 Classic (V5