Uninstalling applications on a Mac is a bit different (and generally a lot easier) than the process on a Windows PC, but there are some stubborn Mac programs that even the best of us have troubling getting rid of. But there's always a solution. Here's how to uninstall or delete a program or application from your Mac - a process that will help to make space on a Mac and could speed it up too.
Read full content : How to Uninstall Apps on Mac – Complete Guide
In Windows, programs must be installed with special installer wizards, and more pertinently must be removed by the same kind of mechanisms.
Sloppy housekeeping from Microsoft initially let software developers install many fragmented pieces of their program wherever they liked across the C: boot drive. Aside from the system security problems this can create, it also makes uninstalling executable programs in Windows a chore that can only normally be undertaken by automated programs.