16: FactoryStudio Versions and Licenses > FactoryStudio Version numbers
  
FactoryStudio Version numbers
The FactoryStudio version is a string like: fs-2014.1.10.
The meaning of that string is: <product_ID>-<Major_version>.<Minor_version>.<Update>. So in this example:
Product ID = fs
Major version = 2014
A major version is a major release, which happens every one to two years. It includes major changes to the product documentation or features. Existing customers must either have the maintenance plan or purchase an upgrade to have access to it.
The new version installs to a new folder, so it does not affect any projects or product installation of previous versions. The license protection, either hardkey or softkey (dongle), must be updated to use that release.
Minor version = 1
A minor version is typically released every three to nine months and is not verified by the license. It includes product enhancements and corrections.
A minor release is similar to what is sometimes called a Service Pack. However, with FactoryStudio, you can have multiple minor releases installed in different folders and use all of them at the same time on the same computer.
Update = 10
The update number reflects small modifications on top of the current version. Updates are always compatible with the current release.
Updates install on top of the product version they are targeting. If you try to open a project created with an update you do not have on your computer, you can run that project, but the engineering tools will open in “read-only” mode. Unless you have a specific requirement or problem you need the update, you do not have to update.