CommLink 5 Technical GuideUSB DRIVER INSTALLATION9Finding What COM Port Number theCommLink 5 is Using (Windows ® 10)1. Right-click on the Windows® icon, located on the bottomleft or top left of the Windows Tool Bar.2. Select < Device Manager>.3. Click on the plus sign next to Ports to see all of thecommon ports.4. Locate the USB Serial Port (COM#). The COM# inparentheses is the port it is located on. Write this COMport number down. You will need to know this whensetting up the Prism 2 software.5. If the COM port number is 10 or greater, go to “Chang-ing the USB COM Port Number” in the Troubleshootingsection on page 15.Finding the COM Port Number