Applicable to the original red alert, Yuri revenge, and any similar extended version.

Step 1: Install IPX protocol.

Method:

Control Panel-Network Connection (or Network Neighborhood Properties)-Local Connection Properties

-In "Use the following items for this connection", look for the existence of IPX protocol. If not, click the "Install" button below-click "Protocol"-click "Add"-click "IPX Protocol"-OK.

Step 2: Modify the game serial number.

In the game home directory, there is a file called "Woldata". Open it with Notepad.

The numbers in the file must be different on each machine online. If they are the same, change the last two digits to distinguish them.

If it is garbled after opening, you can replace the original characters with the following characters, and then modify it according to the above steps-

1099 14783 1053729756 164962240 1880764 1264 198409 13672270792 188 16949 / kloc-0/608 1973727 1 132505726674 1593997 1462 132468 1 197924402 15523 1906 1240\SETUP.INI

Step 3: Set the target network.

After entering the game, select Options Network.

In the "target network", fill in four binary digits of 16, separated by dots, which are the same for every computer connected to the network.

Such as: 00.00.00.00

Or: 56.78. 12.34

Exit the game and re-enter, or you may need to restart your computer. Now you can also fight a decisive battle with your friends at home, in the dormitory, like in an Internet cafe!