HOW TO CONNECT TWO COMPUTERS TO ONE MODEM
Lets talk about browsing on two systems with one modem, this might sound as a magic but it is real. i will make this as brief as possible, the things u need for this magic are modem, a sim with data subscription, a lan cable, now i taught u crimping of network cables in our previous post, u have to configure ur lan cable as a system to system cable.
See also: How to crimp a networ cable
that done, install the modem into one of the systems (PC),
right click the network icon at the right of the taskbar, and click open network and sharing center,
on the left hand side of the window click on change adapter settings,
now locate the modem adapter, right click on it and click properties,
on the sharings tab check the box beside allow other people to connect through this computers connection,
Under Home networking connection >> choose Local Area Connection settings and also uncheck the last box.
Then click ok.
that done connect the two systems with the lan through the ethernet port.
then connect the modem