Actually, a personal computer (PC) can be used as a router. Don't need a PC with a high specification, low PC specifications can be made and used, as long as the router function in Windows is activated. The trick is as follows:

1. click Start Menu, then go to 'Run' and then type "regedit" in the run column to open Registry Editor
2. Put to the subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\ Services\TCPIP\Parameters.
3. Find a DWORD value with the name IPEnableRouter, and then click DWORD value is Double.
4. Click Radio Button [Decimal] and enter the data value with a value of 1.
5. Click [OK].
6. Close the Registry Editor, restart your PC and can be used routerpun have.