need windows 10 operating system, send screenshots of step being accomplished

1. In the MAC Address or Vendor to look for text box, type the first six digits of the MAC address you wrote down in Step 3. You dont need to enter the hyphen between each pair of digits, but you do need to enter any leading zeros. Click string to find the vendor of the MAC address. Knowing the vendor can help you track down devices that might be causing problems on your network.