OS X 10.9 Mavericks on VMware workstation with Windows 7 or Windows 8. Mavericks is the latest desktop & laptop OS from Apple with full of new features. After it has been release officially, it can be download from Apple site
follow the link - Installing OS X 10.9 Mavericks as a guest operating system in VMware Fusion 6.0 | VMware Support Insider - VMware Blogs