Hi Moises
The best option for you is to buy a software that makes possible this access type among yours house/store. I can indicate you the
pcanywhere as better option that I know for this cases. But, I already heard comments that the
Windowsxp makes this same without the need of another software.
Claudio
"Now to him who is able to do immeasurably more than all we ask or imagine, according to his power that is at work within us, Ephesians 3:20