Each release of QCS
has a version number in the form of W.X.Y.Z. At the time this FAQ was written the current release of QCS was 2.38.1.85. If you are notified that a new version of QCS has been released and only the two last numbers have changed, say from 2.38.1.84 to 2.38.1.85 or 2.38.1.85 to 2.38.2.2, it is considered a minor release.
To upgrade your QCS in this situation you will need to perform the following:
If one of the first two numbers in the version number has changed you will have to update your QCS by downloading the full QCS Setup program and running it. Note that it is unusual, perhaps once every few years, when a major update to QCS is released.
To download the full QCS Setup please look at the FAQ - How can I download the QCS Setup program?
You can also see our full article on updating your QCS by clicking here.