VLC is available for free on both Windows and Mac computers, as well as on most Linux distributions.

If your router has multiple channels (e. g. , a 2. 4 GHz channel and a 5. 0 GHz channel), make sure that both computers are on the same channel as well.

If your router and/or modem are more than a few years old, attempting to stream may cause one or both of them to crash.

For a stream from a computer with an IP address of 123. 456. 7. 8 and a port of 8080, you would type http://123. 456. 7. 8:8080 here.

The “Select a stream” checkbox should be checked, but if it isn’t, check it before clicking Choose. . . here.

If there’s a slash (/) in the text field, leave it there and enter the IP address after it.

For a stream from a computer with an IP address of 123. 456. 7. 8 and a port of 8080, you would type http://123. 456. 7. 8:8080 here.