Assistive technology is used to describe devices and services that lessen or remove barriers faced by persons with disabilities.
Your computer includes some accessibility features to help you use your device. You can find some of those here.
It is important to keep in mind that accessibility is not a feature to be added after the design of your content. It is a set of principles to be considered throughout the design process.
JAWS, Job Access With Speech, is a popular screen reader, developed for computer users whose vision loss prevents them from seeing screen content or navigating with a mouse. JAWS provides speech and Braille output for the most popular computer applications on your PC.
Read&Write is a literacy support tool that offers learners help with everyday tasks like reading text out loud, understanding unfamiliar words, researching assignments and proofing written work.