If you've already installed Windows using Boot Camp, you need not reinstall Windows (though you may later want to convert it to a virtual machine). You can quickly configure Fusion to use your existing installation by following these steps:
Launch VMware Fusion (in
In the Virtual Machine Library window, do either of the following:
Double-click Boot Camp Partition in the list on the left.
Select Home on the left and then click Run Windows from Your Boot Camp Partition.
Enter your administrator password when prompted and click OK.
Wait for Windows to launch.
On the first run of Windows, Fusion modifies your Boot Camp Windows installation to work correctly in a virtual machine—a process that can take several ...