It is NOT required of you to install any programs on your home computer. You should have no problem completing assignments in school. However, if you want to you can explore the program at home if you are permitted to install them.
This is a photo manipulation/editing program that is run from the internet. No downloading required.
This is a computer programming animation program run from the internet. No downloading required, however you will need to sign up for an account using your email address. This is because it saves your work on the web.
This is an animation program that you will have to download to be able to use at home. Click on the download link on the right of the page, choose the operating system you have.
This is a CAD program that needs to be downloaded to use.