Windows give unique MAC address and it can be use as to identify your PC. However sometime you might need to change it for privacy or your Mac address got blocked and you need to change it to connect your Laptop or PC. There are many ways to change it but easy way is to download free app that could easily help you to change it without taking many steps.
Technitium MAC Address Changer
This is free app that you could install on any windows 7, 8 and 10. You can just select any Lan or WiFi hardware and change address. It could be helpful if any Mac address is blocked on any website or on your office or collage and you can change it to unblock your device. To download it click here.