You can have Stat/Transfer 14 automatically check for and download new maintenance releases. This is enabled by default, but you can check or change the interval at which checks are made on the About tab. If you wish to download a copy manually, then click on the Download Version 14 link below.
After you press the Download button below, a File Download box will appear in your browser and ask you if you want to Save or Open the file stupgdx.exe (where x is the version number). You can do either.
If you choose to save the file, put it in any temporary directory and then install the maintenance files by clicking on stupgdx.exe from the Windows Explorer or by opening a Run dialog box from the Start menu and typing in the file name stupgdx.exe.
If you choose to open the file, your browser will store it to a temporary directory and then run it for you.
If you have Version 13, you should download the final maintenance release of your version by clicking on the Download Version 13 link below. (You also might want to consider upgrading to Version 14..)