To play this multiplayer you must have GTA 4 with a patch installed (1.0.7.0, 1.0.6.1, 1.0.6.0, 1.0.5.1 or 1.0.0.4) and FMP Alpha 2 R263.
Installation: Copy all files from the Files folder to the GTA 4 root folder.
Install FMP:
Copy all files from Files and paste into GTA 4 root folder.
Launch the game (due to the enabled debug FMP mode, a decrease in fps was noticed).
A window for authorization or registration will appear.
If you are not registered, click Register, fill in all fields.
An email will be sent to the specified mailbox with the activation of the FMP account, follow the activation link, there you will be prompted to change the password - change the password.