Select the virtual machine from the Parallels Virtual Machines window.
Open the Virtual Machine menu and choose Configure…
Click on the Hardware tab, and select CPU & Memory from the left column.
Check the amount of memory recommended under the Automatic option.
If your computer has less than the recommended amounts, choose the Manual option and set the amount of memory allocated to the virtual machine Processors to at least 4 GB or more if available.
Click on the Options tab, and select Sharing from the left column.
Turn off (uncheck) Share Mac user folder with Windows.
Open the Share folders pull-down menu and choose Home Folder only.
Restart your virtual machine.
On the Windows desktop, you should see a folder called "Mac Files" with a "Home" folder nested inside. You can access any Mac Files saved to your Mac environment through this folder structure.