the optimum solution is to connect the 2 computers together
all you have to do is to buy 2 NIC ( كارت شبكه) it's about 30 l.e.
don't pay more than 30 l.e.
for the RJ45
then buy a suitable cable for the NIC, if you bought RJ45, the suitable cable 4 u wil be CAT-5-e
it's about 1.10 l.e. per meter
y3ny ellela kolha da7'la 3la 100l.e.