To download and install an update to SiP do one of the following:
1.
Select SiP's menu item Help > Check for Updates and follow the on-screen instructions.
2.
Use MS Windows Explorer to locate the file named "CheckForUpdates.exe' and double-click on it. This file should be located in the installation directory, which by default will be "C:\Users\Public\SIPXX".
3.
If neither of the above work, you can download and install individual updates from the SiP Updates page.