click here click there

situation: i have a wired laptop and want to turn it into a hotspot, to provide internet for other four people with wifi laptops.

1. open System Preferences (in dock or in apple menu)
2. click Sharing
3. click Internet
4. select Share your connection from: Built-in Ethernet
5. select To computers using: Airport
6. click button Start and confirm

there you go. now, could somebody please explain me how the hell one does this in wyndoze eks pee? and possibly not like barbora with computer to computer network, which i couldn't make working etiher anyway? not only because her dialogs looked different?