Microsoft Windows 7 Release Candidate has been officially released for users around the world. This is just a pre-release software, but it is truly a candidate for the final version of Windows 7. This latest release will be available for download at least until July 2009, and the version will expire on June 2010. The Windows 7 RC consists of bug fixes and many changes from the Beta version, and they should work according to the Microsoft notes. In order to check if the changes and fixes work correctly, Microsoft has designed a program which automatically and anonymously sends information to MS engineers who will determine if they are working correctly.