Software installations vary depending on the programs being installed. The most important part of installing software happens prior to the install process; it's about choosing the right software.
Find the software that will do what you need it to do. Software should get the job done and be intuitive and easy to use.
Search online to make sure that you are installing the most recent version of the software. Follow the on-screen instructions to complete the installation process.
Test out the software's basic functionality. Good software should be enjoyable to use.