You can find details relating to the various windows desktop application processes and testing procedures from relevant sources usually online. There are several informative websites which you can refer to that could easily cater to your requirements.
The first thing that you will need to test properly and exhaustively after developing a software program is the graphical user interface of your new software program. Without even getting into the more technical part of software usage, the GUI needs to be bug free and easy to use.
Another thing to be careful about and test effectively would be the core function of the software as no tool is developed without having one main purpose as the objective behind its creation. This means, when testing the software, it is essential to ascertain that it indeed does justice to the main function that drove its development. These and many other things will need to be checked extensively.
To know more about what is manual testing with example you may want to visit sqasolution.com. You need specialist assistance to understand all the procedures correctly so that you can plan the release of your software accordingly after it has been rigorously tested and declared free from any bugs. The good news is that you can find help and tutorials online.