How to setup Homegroup over Wi-Fi

G

Guest

Guest
hey all,
i have 2 pcs at home.
1 my new comp and 2nd m old lappy
both windows 7 ultimate.

i have a binatone dt845w - wifi modem

due to some conditions i cant connect any of them with wire

1)so my question is how i set homegroup ?
2)can i transfer any file over it ?
3)can i install windows 7 with computer to another ?(reinstall)

i tried making my own, but laptop wont detect it.