虚拟机系统市场自从微软正式插足后就没有平息过，微软最终占据了上风。VMware无奈也推出免费产品！而微软公司则把整个Virtual Server/PC产品全部免费提供，这里我们要感谢微软，因为从此我们可以免费合法的使用上虚拟机系统。
以下是引用微软VirtualPC官方网页的介绍：
Whether Microsoft virtualization technology is an important component of your existing infrastructure or you're just a Virtual PC enthusiast, you can now download Virtual PC 2004 Service Pack 1 absolutely free. Microsoft is also offering the free download of Virtual PC 2007, with support for Windows Vista in 2007.
Virtual PC 官方网页：http://www.microsoft.com/windows/virtualpc
Virtual PC 下载地址：http://www.microsoft.com/downloads/details.aspx?FamilyID=6d58729d-dfa8-40bf-afaf-20bcb7f01cd1&DisplayLang=en
