Check again the drive has been successful installation on “Device Manager”. Click “Next”, the driver will be installed automatically. Select the folder: “C: \ Program Files\Common Files\Siemens\Automation\Simatic OAM\Drivers” (with Windows 圆4). Open “Device Manager” again, select “SIMATIC PC Adapter USB”, right-click and select “Update Drivers” -> “Browse my computer for drivers”. And then, find the driver file and copy it to: “C: \ Program Files\Common Files\Siemens\Automation\Simatic OAM\Drivers” (with Windows 圆4). We can check by opening “Control panel” -> “Device manager” -> “Other Device”, it will show as below To install the driver for the PLC S7 200 Amsamotion cable, download the driver at the end of the post extract it. The first time when we put the cable to the PC and did not yet install the driver the MPI led on the cable will off. Step 1: Install Driver For USB MPI/PPI Cable USB MPI/PPI Cable (PC Adapter USB) from Amsamotion.Software: Step 7 Micro/WIN V4.0 SP9 On Windows 10 圆4 version 21H2.Previous post: Step 7 MicroWIN 4.0 SP9 on Windows 10 Newest (21H2) And All Windows Version PLC S7 200 Programming – Download & Upload Program You can refer to the previous post to install S7 200 PLC programming software, download and upload using a “COM” cable. In this post, 365EVN shows you the steps to download and upload the program for PLC S7 200 using USB PPI Cable On Step7 MicroWIN V4.0 SP9.