What are the best free IT training resources?
The best free IT training resources are Professor Messer (CompTIA certification courses), Cisco Networking Academy (networking and cybersecurity fundamentals), Microsoft Learn (Azure and Microsoft certifications), AWS Skill Builder (cloud foundations), TryHackMe free tier (cybersecurity labs), Google IT Support Certificate via Google Career Certificates, and YouTube channels including NetworkChuck, CBT Nuggets previews, and TechWorld with Nana for DevOps. These resources collectively cover the major IT domains -- networking, cloud, security, and systems -- at no cost, enabling complete certification preparation without paying for bootcamps or subscription platforms.
The belief that quality IT education requires expensive bootcamps or subscription platforms is a myth worth debunking. The IT industry has more high-quality free educational resources than virtually any other technical field. This is partly because major technology companies (Cisco, Microsoft, Google, AWS) have strong commercial incentives to train people who will use their platforms, and partly because the open-source and IT communities have a tradition of knowledge sharing.
This guide catalogs the best free IT training resources by domain, explains how to build a complete learning path from free resources, and identifies where free resources have genuine gaps that justify paid investment.
Foundation Level Free Resources
Professor Messer (professormesser.com)
Professor Messer provides free CompTIA course videos for A+, Network+, and Security+ that are comprehensive enough to prepare for certification exams without additional purchase. The videos are systematically organized by exam objective, clearly taught, and regularly updated for new exam versions. Supplementing with Professor Messer's study notes ($20) and practice exams ($15) creates a nearly complete preparation package at minimal cost.
Covers: CompTIA A+, Network+, Security+ Format: Video lectures, study groups, free practice questions Best for: Anyone targeting CompTIA certifications
Cisco Networking Academy (netacad.com)
Cisco NetAcad offers free self-enrollment courses covering networking fundamentals, cybersecurity essentials, Linux essentials, and programming basics. The courses are developed by Cisco curriculum teams and represent professional-quality instructional design. Courses like Introduction to Networks (CCNAv7) and Cybersecurity Essentials provide substantial preparation for CompTIA Network+, CCNA, and Security+ certifications.
Covers: Networking, cybersecurity, Linux, IoT, programming Format: Self-paced modules with labs, quizzes, and assessments Best for: Career changers wanting structured foundational learning
Google IT Support Professional Certificate (free access options)
While the full certificate on Coursera costs $49/month, Google offers free access through Google Career Certificates for qualifying individuals (income-based), and many public library systems provide free Coursera access. The certificate covers troubleshooting, networking, OS administration, system administration, and security across five courses.
Covers: IT support fundamentals across all major domains Format: Video lectures, graded quizzes, hands-on activities Best for: Complete beginners with no IT background
"When I decided to switch to IT, I spent the first three months using only free resources: Professor Messer for A+ and Network+, Cisco NetAcad for networking labs, and TryHackMe free tier for security basics. By the time I paid my first exam fee, I was ready. The free resources were not inferior -- they were just less organized. I had to build the structure myself." -- Network operations center analyst, career changer from hospitality industry
Cloud Platform Free Resources
The three major cloud providers each offer substantial free training:
| Provider | Platform | What Is Free | Certification Target |
|---|---|---|---|
| AWS | aws.amazon.com/training | Cloud Practitioner Essentials, AWS Educate | AWS CCP, SAA |
| Microsoft | learn.microsoft.com | Full AZ-900 path, all associate paths | AZ-900, AZ-104, AZ-900 |
| cloudskillsboost.google | Cloud Digital Leader, Associate paths | Cloud Digital Leader | |
| IBM | ibm.com/training | IBM Cloud Essentials | IBM Cloud |
| Oracle | education.oracle.com | Oracle Cloud Infrastructure Foundations | OCI Foundations |
Microsoft Learn is particularly comprehensive. The entire learning path for AZ-900 (Azure Fundamentals), AZ-104 (Azure Administrator), and AZ-500 (Azure Security) is available free on Microsoft Learn, including sandbox environments for hands-on practice that do not require a paid subscription.
AWS Skill Builder provides free access to AWS Cloud Practitioner Essentials and AWS Technical Essentials, which together cover foundational cloud concepts and AWS services at a level sufficient to prepare for the CCP exam.
Cybersecurity Free Resources
TryHackMe (tryhackme.com)
The free tier of TryHackMe provides access to several complete learning paths including Pre-Security, Introduction to Cyber Security, and partial access to SOC Level 1. Browser-based labs eliminate the need for a home lab. For career changers entering security, TryHackMe free tier provides more hands-on value than many paid courses.
SANS CyberAces (cyberaces.org)
SANS Institute offers free online courses covering operating systems, networking, and system administration through CyberAces. These courses are developed by the same organization that produces GIAC certifications and represent professional security education quality at no cost.
OpenSecurityTraining2 (opensecuritytraining2.github.io)
Free in-depth security courses covering architecture, reverse engineering, exploitation, and defensive security. Significantly more technical than most free resources -- appropriate for learners who have completed foundational training and want to develop deep technical security skills.
CISA Free Resources (cisa.gov)
The Cybersecurity and Infrastructure Security Agency publishes free training modules, tabletop exercise materials, and cybersecurity resources through its website. Particularly relevant for those targeting government or compliance-focused security roles.
DevOps and Programming Free Resources
| Resource | What It Covers | Format |
|---|---|---|
| TechWorld with Nana (YouTube) | Docker, Kubernetes, Terraform, CI/CD | Video tutorials |
| KodeKloud free tier | Kubernetes, Docker basics | Labs |
| Linux Foundation free courses | LFS101x: Intro to Linux | Video + labs |
| The Odin Project | Web development fundamentals | Project-based |
| freeCodeCamp | Programming, data science | Interactive exercises |
| Exercism.org | Programming practice in 60+ languages | Code challenges |
| GitHub Learning Lab | Git, GitHub workflows | Interactive |
| HashiCorp Learn (developer.hashicorp.com) | Terraform, Vault, Consul | Tutorials |
TechWorld with Nana's YouTube channel is the highest-quality free DevOps training available. Her tutorials on Docker, Kubernetes, and Terraform are comprehensive, clearly explained, and regularly updated. Watching her content in sequence provides a DevOps foundation comparable to many paid courses.
Where Free Resources Have Gaps
Free resources are excellent but have specific limitations:
Practice exams. Most free practice exam resources have limited question banks (50-100 questions) compared to paid platforms (500-2,000+ questions). For certification preparation, investing $15-$30 in quality practice exams (Boson, Dion's Udemy practice tests) significantly improves exam readiness.
Mentorship and feedback. Free resources provide content but not personalized guidance. When you hit a concept you cannot understand from documentation alone, paid mentorship or community platforms with active instructors accelerate learning.
Structured accountability. Free resources are typically asynchronous and unstructured. Without external deadlines, completion rates are low. Creating artificial deadlines (booking exam dates 8-10 weeks out) forces the structure that paid programs provide.
Portfolio project guidance. Free tutorials teach skills; paid programs often include project specifications that produce portfolio-ready work. Free learners must design their own projects, which requires knowing what to build.
Building a Free Learning Plan
A complete free learning plan for IT career changers targeting CompTIA Security+ and AWS SAA:
Months 1-2: Foundation
- Professor Messer CompTIA A+ videos (free)
- Cisco NetAcad IT Essentials course (free)
- Goal: Schedule and pass CompTIA A+ exam ($253 total, two exams)
Months 3-4: Networking
- Professor Messer Network+ videos (free)
- Cisco NetAcad CCNA Introduction to Networks (free)
- Packet Tracer practice labs (free with NetAcad registration)
- Goal: Pass CompTIA Network+ exam ($369)
Months 5-7: Cloud
- AWS Cloud Practitioner Essentials (free on Skill Builder)
- AWS free tier account for hands-on practice (free)
- Goal: Pass AWS CCP exam ($100), then begin SAA preparation
Months 7-10: Security and Cloud Advanced
- Professor Messer Security+ videos (free)
- TryHackMe Pre-Security and Intro to Cybersecurity paths (free)
- AWS Technical Essentials + free tier projects (free)
- Goal: Pass Security+ ($392) and AWS SAA ($150)
Total cost: $264 exam fees across 10 months. The certification outcome is identical to a $10,000-$15,000 bootcamp.
Frequently Asked Questions
Are free IT training resources sufficient to pass certification exams? Free resources are sufficient for foundational certifications (A+, Network+, Security+, AWS CCP) when used consistently and supplemented with $15-$30 in quality practice exams. For advanced certifications (CISSP, AWS SAP, CKA), supplementing with focused paid resources reduces time to exam readiness and improves first-attempt pass rates.
How do I stay accountable with free self-study resources? Accountability strategies that work for self-study learners include scheduling and paying for the certification exam 8-10 weeks in advance (financial commitment creates behavioral commitment), joining study communities on Discord or Reddit where members track progress publicly, and partnering with another career-changer studying the same certification.
Should I ever pay for IT training resources? Yes, in two specific situations: quality practice exam banks ($15-$30) significantly improve exam performance by exposing knowledge gaps before the real exam, and when you have encountered a specific concept that free resources explain poorly and a targeted paid course covers clearly. Targeted spending on quality practice exams and specific gap-filling courses is efficient. Paying $10,000+ for bootcamp content available free is not.
References
- Professor Messer. (2024). Free CompTIA Study Resources. professormesser.com
- Cisco Networking Academy. (2024). Free Self-Enrollment Courses. netacad.com/courses
- Microsoft Learn. (2024). Azure Fundamentals Learning Path. learn.microsoft.com/certifications/azure-fundamentals
- AWS. (2024). AWS Skill Builder Free Training. skillbuilder.aws
- TryHackMe. (2024). Learning Paths. tryhackme.com/paths
- SANS Institute. (2024). CyberAces Online Training. cyberaces.org
- Google. (2024). Google Career Certificates. grow.google/certificates
- Linux Foundation. (2024). Introduction to Linux (LFS101x). training.linuxfoundation.org/training/introduction-to-linux