Free courses
Choose a course,
start learning.
Every course is structured, beginner-friendly, and free to start. Pick any topic below to see all lessons inside.
Prefer learning by doing? Bytes teaches each topic through lessons and quizzes with instant feedback. Earn XP and build a daily streak.
Bash and the Command Line for Beginners
Learn to work in the terminal like a real developer or sysadmin. Navigate the filesystem, manage files, automate tasks, and write your own Bash scripts from scratch. No experience needed.
Python Programming for Beginners
Learn Python from zero. Understand how to write real programs, work with data, build useful tools, and think like a programmer. No experience needed.
Networking for Beginners
Learn how computer networks work from scratch. Understand IP addresses, protocols, DNS, routing, and how data travels across the internet. No prior experience needed.
Coming soon: Ethical Hacking, Network Security, Cryptography, SQL Injection, CTF Practice, Git & GitHub, and more.