Learn how to use Microsoft Excel, PowerPoint, and Word, online and for free by using an Office.com web apps acccount. You'll learn how to gain access to online versions of these great tools, how to switch between them, and some of the basics of using them. ***Consider supporting Technology for Teachers and Students on Patreon***: https://www.patreon.com/technologyforteachersandstudents
See below for recommendations on presenter remotes to use with PowerPoint:

Logitech Spotlight (Best of the best): https://amzn.to/30sPS6u
Logitech R800 (This is the one I use now. Excellent but a bit pricey.): http://amzn.to/2vbPZY7
Logitech R400 (Cheaper version but still great): http://amzn.to/2vbG4Sg
***Consider supporting Technology for Teachers and Students on Patreon***: https://www.patreon.com/technologyforteachersandstudents