Fill in the form with the information required to create your AIM account and follow the on-screen steps to finalize your registration.After clicking the "Get an iChat Account." button your web browser will open directing you to the AIM website for creating an account.Once you have clicked the "Continue" button, the next screen will allow you to enter account information.NOTE: If the window does not display the first time you run iChat, then you can simply obtain an account by going to in your web browser. If you want Apple to run you through the creation of an iChat account, the first time you run iChat you will be guided thorugh the process of creating and enetering you account details.If you have already used iChat before on this machine then you can skip the first few steps and move onto Setting up your Buddy List. In that case, skip this step and move to Setting up your iChat ID. If you have an AOL account an Apple MobileMe account or a dotmac account then you can already set up iChat without obtaining a new account. When using Mac OSX 10.6 the best way to obtain an iChat account is to use AIM / AOL.
In order to be able use iChat for communication and Screen Sharing you will need to setup a free account. iChat is free messaging application that comes with Mac OSX 10.6 (Snow Leopard) and requires you to have an account setup with either a dotmac acount or an AIM / AOL account.