Just go into the folder and right click the executable file. there select Send To and the option for Desktop will show up. If it is an App from the Store, you can put that on your desktop. Those are 8UI specific Apps and can only be operated via the Start Screen.How do I Find my installed programs?
I suggest you to find the installed programs in the Programs and Features. Follow the below steps: Right click on Start button and click on Control Panel. Click on Programs and Features. In the Programs and Features you can find the installed programs.