Free course on freeCodeCamp
freeCodeCamp's AWS Certified Cloud Practitioner Study Course teaches AWS cloud fundamentals in 13 hours. You learn core services (EC2, S3, RDS), billing, security, and best practices. The entire course is free on freeCodeCamp.org. After finishing, you're prepared for the AWS Cloud Practitioner certification exam. AWS is the largest cloud provider, and cloud skills are essential for modern infrastructure work. The main limitation: this course is exam-focused. For hands-on AWS experience, pair it with building projects on the AWS free tier.
AWS led the worldwide infrastructure-as-a-service market in 2024 with 37.7% share on $64.8 billion of revenue, ahead of Microsoft at 23.9% and Google at 9% (source: gartner.com/en/newsroom/press-releases/2025-08-06-gartner-says-worldwide-iaas-public-cloud-services-market-grew-22-point-5-percent-in-2024).
freeCodeCamp's full AWS Certified Cloud Practitioner exam prep course (second edition). 13 hours of structured content covering every domain of the CCP exam: cloud concepts, security, technology, and billing. Includes a free practice exam from ExamPro.
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Microsoft Learn's first learning path for the AZ-900 Azure Fundamentals certification. Covers cloud computing concepts, deployment models, and shared responsibility in the cloud. Part one of a four-part Introduction to Cloud Infrastructure series that maps to the full AZ-900 exam.
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AWS's official free training preparing you for the Cloud Practitioner certification. Covers core AWS services, pricing, security, and cloud fundamentals. The standard on-ramp into the AWS ecosystem.