\Install-WindowsImage.ps1 –WIM J:\Sources\Install. You can not read a 1.44 Meg floppy disk on most classic Macs, and a modern computer can not read or write to an old 800K floppy disk. The problem is, classic Macs like the Macintosh Plus have an 800K floppy drive.
Now type the following command into the shell window: Classic Mac Operating Systems such as System 6 and 7 are obsolete but have been made available for free via a download from Apple. Now type “CD C:\” to switch to the root of the drive. ISO image switch back to the PowerShell window. If you don’t know how to mount an ISO file check out our guide. ISO file that you downloaded from the Windows Developer website. Click the unblock button in the bottom right hand corner. Right-click on the file and select properties. Note that you could move it somewhere else if you want, but just change the rest of the instructions to use the alternate path. Next you need to download this script from MSDN, and then move it to the root of the C: Drive. Once you have done this, leave the PowerShell window open as we will be using it again just now. You will be given a security notice just type “Y” and press enter to accept. To do this, you need to type “Set-ExecutionPolicy RemoteSigned”.
When PowerShell launches you will need to change the execution policy to allow you to run scripts. The first thing you need to do is open PowerShell as an administrator by opening Start Menu->All Programs->Accessories->Windows Powershell, right-clicking on the Windows PowerShell shortcut, and choosing Run as Administrator.
Now you have a new VHD file that is acting like a real hard drive.