uninstall IT management suite how to

How to uninstall thge IT management solution?

I have opened Symanetc instalaltion manager, uninstalled VSR 21 management solution. IT Management suit could not be uninstaleld form there

Then I went to the control panel and uninstalled Symantec platform and solution. 

however, there are still a lot of folders related to IT suiote in program files, and there are still many altiris services in services.msc. How to get rid of all this stuff?