Certification study guides
In-depth guides, comparisons, and tips for every major tech certification, written to help you understand what actually matters before exam day.
Featured Guides
AZ-900 Complete Study Guide: Everything You Need to Pass Microsoft Azure Fundamentals
The most thorough free AZ-900 study guide available. Covers every exam domain, the best free resources, practice test tips, and exactly what Microsoft tests you on.
AI-900 Study Guide: Pass the Microsoft Azure AI Fundamentals Exam
Complete guide to passing the AI-900 exam. Covers all AI concepts, Azure AI services, Responsible AI principles, Generative AI, and the best study resources.
Best Certifications for Data Analysts in 2024: Power BI, SQL, and More
The top certifications to advance your data analyst career in 2024. From Microsoft PL-300 Power BI to Google Data Analytics, a complete guide to what's worth your time and money.
AI Certifications Every Professional Needs in 2024 (Whatever Your Job)
You don't need to be a developer to benefit from AI certifications. This guide shows how AI skills apply to every career, and which certifications prove them.
SC-900 Study Guide: Pass Microsoft Security, Compliance and Identity Fundamentals
Complete SC-900 study guide covering Zero Trust, Microsoft Entra ID, Defender, Sentinel, and Purview. Everything you need to pass on your first attempt.
PL-300 Power BI Data Analyst Study Guide: Pass the Microsoft Certification
The complete free PL-300 study guide. Covers Power Query, DAX, data modelling, report building, and exactly what Microsoft tests you on, with study tips and practice resources.
AI for Healthcare Professionals 2025: A Complete Guide for Nurses, Doctors, Dentists and HCAs
AI is reshaping every healthcare role. This is the practical 2025 guide for clinicians: which AI tools matter, which certifications count for CPD, and the career paths AI is opening up.