First, download and extract the Interlude Client files from the following links:

Interlude Client ~ Mirror 1

Interlude Client ~ Mirror 2

After downloading, right click on the zip file and extract its contents.

Download the server patch from the link below:

L2 World War Server Patch

After downloading, follow these steps:

• Extract the patch files and locate the "system" folder.
• Copy the "system" folder into your Interlude Client folder.
• Open the "system" folder and run the L2 app to start the game.

If you already have the Interlude Client, you can just replace your old "system" folder with the new one.

Create a new account here: Create Account

You can also auto-create it the first time you log in.