No. The way LabVIEW releases go, you'd have to pay to upgrade from 5.0 to 5.1 and then use the updater. Versions with a third number are bug fixes and are free to download but only for a specific version. Thus 5.1.1 was a bug fix of 5.1 and 6.0.1 and 6.0.2 were bug fixes of 6.0.