Computer Maintenance, Troubleshooting and Networking Basics
Learn how computers are built, how to care for them, fix common problems step by step, and set up and troubleshoot a safe home or small office network.
- 21 lessons
- 4 h 47 min
- Certificate

Free, practical courses in computer basics, Microsoft Office, email, digital marketing, online safety and more. Learn at your own pace, join live virtual classes with facilitators, test yourself and earn a certificate.
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Start with Computer Basics or choose the skill you need: Word, Excel, email, marketing and more.
Learn and practise
Read the lessons, follow the practice activities and join virtual classes with a facilitator.
Test and get certified
Take the quizzes, pass the final exam and download your certificate.
Every course has short lessons with practice activities, a quiz after each module and a final exam. Pass the final exam to earn your certificate.
Learn how computers are built, how to care for them, fix common problems step by step, and set up and troubleshoot a safe home or small office network.
Understand how networks work: IP addresses, subnetting, DNS, routers, NAT, Wi-Fi, cabling and troubleshooting, and design a small school or office network.
Beyond our own courses, we gathered free learning from universities, Google, Microsoft and other platforms, from beginner to advanced.
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Free interactive learning paths from Microsoft on Office, Windows, Azure, Power BI and more, with sandboxes to practise in.
A beginner path into IT support: computers, networks, operating systems, system administration and security. Designed for people with no experience.
Learn the data analyst workflow: asking questions, cleaning data, spreadsheets, SQL, R and dashboards.
Evidence-based study techniques for mastering hard subjects, from memory and focus to beating procrastination. Useful before any online course.
Are you experienced in an ICT topic? Teach it online as a volunteer: run live classes, guide learners and help young people build digital skills.
No fees. All you need is a phone or computer and an internet connection.
Plain language, short lessons and practice activities that start from zero.
Study when it suits you, on a phone or computer, and pick up where you stopped.
Join virtual classes with facilitators and ask questions in real time.
Pass the final exam and download a certificate with a number anyone can verify online.
Office tools, email, digital marketing and online safety: the skills employers and customers ask for.
Create your free account in a minute and begin with your first lesson today.