Select Create a new virtual hard disk and then click Next.After you’ve selected an amount of memory click Next to continue. Because I have 2GB in my MacBook Pro, I’ve opted to dedicate half of it (1GB) to Vista. I wouldn’t suggest trying to run Vista without allocating at least 512MB of RAM, ideally more. Here you’ll need to select the amount of RAM that will be dedicated to the guest operating system (Vista).Select Windows as the Guest OS Type and Windows Vista as the Guest OS Version.Select Custom OS installation and then click Next.Click Next after reviewing the first screen.If it’s not the first time you’ve used Parallels, launch the Wizard by selecting Install OS If this is the first time you’re using Parallels, the Wizard will launch automatically.VMWare is more likely to be the first allowing 3D in a virtual OS. Some additional info: As a friendly digger points out, you won’t be able to run Aero (the fancy graphics stuff in Vista) no matter how great your Mac video card is. With that said, they will be nearly identical if you have a Mac Pro, Mac Mini, MacBook or any other Intel based Apple Mac, and the process is similar in the newer versions of Parallels. The steps and screenshots used for this tutorial are specific to an older version of Parallels Desktop for Mac running on a MacBook Pro w/ OS X (10.4.8).

Similar to How to install Ubuntu in OS X using Parallels – a complete walkthrough, this tutorial will take you every single step of the way through installing Windows Vista using Parallels for OS X.

Vista emulator for mac