Availability of Microsoft Virtual PC OS2 additions. Are these tools available anymore?
The Virtual PC application is still available for downloading. However, the add-ons are not available from other website, because they're embedded into the application. After an OS is installed, you can access the additions from the main menu of the Virtual PC, more exactly from Tools. Yes, the additions are available only from within the application.
Download Virtual PC: http://www.microsoft.com/en-us/download/details.aspx?id=3702