Comprehension on problem

I iunstalled my servers with windows 2003 server on them.
Now i tried to install some software on clients PC with my credentials.it’s ok.
But when another user who needs to work with the software,that user can not find the software installed neither on desktop nor in all programs.

that means software installed by administrator on one PC but other user who log on that pc can not find the software to work.
Help me finding this solution