Allocate at least (for "Premium Ready" performance) and 40 GB of disk space . Install the OS : Select your new VM and click Settings > Storage .

To truly experience Windows Vista—including its sound effects, animations, and the ability to run software—you need to set up a virtual machine. This is the closest you can get to buying a time machine back to 2007. Step 1: Download a Virtualization Platform

In your VM settings, disconnect the virtual internet cable. Windows Vista has dozens of unpatched security vulnerabilities. Connecting it to the modern internet invites malware infections.