It's not difficult to change MAC address on windows there you have to few things. Their you don't need any kind of application software change MAC address.
To change mac address of your PC on windows operating system. You have to go to device manager of windows.
Now press Windows + R type control and hit enter. Where you will get control panel on your screen.
If you feel it is long then you can right click on your my computer and you can click on device manager. This is pretty faster then other methods.
And now you just have to look for network adapters if you have installed drivers for you can it will show you the list of network drivers may be it's ethernet driver or wifi driver.
Now from their you have to select network adapter which you want to change MAC address. Keep in mind that different different hardware devices their own MAC address here i am going to change Dell Wireless. Select and right click and now go for properties.
Now select advance and click on network address directly, network address represents MAC address of the network devices.