CompTIA A+ (Cybrary)

Our free A+ training class educates on the maintenance of operating systems, PCs, mobile devices, laptops and printers—crucial skills that every IT professional needs in order to work within the industry. Specifically, the course covers the fundamentals of computer technology, basic networking, installation and configuration of PCs, laptops and related hardware, as well as configuring common features for mobile operation systems Android and Apple iOS.

Suggested Readings:
CompTIA A+ 220-801 and 220-802 Cert Guide, Deluxe Edition (3rd Edition)
CompTIA A+ Complete Study Guide: Exams 220-801 and 220-802