Easy! Internet Trade Mirror
"The Trade Mirror is a free service for sending trading signals over the internet to other computers (currently for MT4 only). It is widely used by traders all over the world as a broker-independent alternative to MAM systems etc.
The sender runs an EA which broadcasts trading activity. Subscribers run a copier EA which receives the signals and automatically mirrors the sender's trades. Each subscriber has full control over risk settings and all other trading activity, via the parameters in the receiver EA. More information..."
We give registration. The program is available for free download!