>>Thanks Hilmar,
>>
>>Should I upgrade my Windows? First PC has Windows XP Home Edition and the second one has Windows 98SE.
>
>It should be possible to connect those, without additional upgrades. Just make sure both share some network protocol - for instance, NETBEUI, or TCP/IP.
>
>I recommend TCP/IP, since this is the standard protocol suite used on the Internet, you will need it anyway to access the Internet, and you really need nothing more.
>
>In this case, on your internal network, each machine should be assigned a unique IP address, for instance, 10.0.0.1 and 10.0.0.2 (IP addresses starting with 10 are in one of the ranges reserved for internal networks, so you won't have a conflict with public IP addresses).

Thanks again, Igor