Computer fundamentals courses can help you learn basic hardware and software concepts, operating systems, networking, and cybersecurity principles. You can build skills in troubleshooting, system maintenance, and understanding data management practices. Many courses introduce tools like Windows, Linux, and various programming languages, showing how these skills apply in everyday computing tasks and professional environments.

Skills you'll gain: Selenium (Software), Test Automation, Object Oriented Programming (OOP), File I/O, Test Script Development, Software Testing, Programming Principles, Browser Compatibility, Web Development Tools, Software Installation, Automation, Python Programming, Development Environment, Integrated Development Environments, Package and Software Management
★ 4.6 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: ASP.NET, Restful API, Web Development, Object-Relational Mapping, Web Applications, User Accounts, Data Integrity, Single Sign-On (SSO), .NET Framework, API Design, Application Programming Interface (API), Database Application, Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Data Management, Relational Databases, Identity and Access Management, Model View Controller
★ 4.7 (38) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, HTML and CSS, User Interface (UI), Web Design, Figma (Design Software), Typography, Front-End Web Development, Web Design and Development, Graphic and Visual Design, Design Elements And Principles, Maintainability, Mockups, Web Content Accessibility Guidelines, UI Components, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, Web Development Tools, Software Engineering
★ 4.5 (21) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Structures, Algorithms, Java, Java Programming, Programming Principles, Computer Programming, Performance Tuning, Computational Thinking, Theoretical Computer Science, Solution Design
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Spatial Data Analysis, Geospatial Mapping, Geospatial Information and Technology, Geographic Information Systems, Geostatistics, Spatial Analysis, GIS Software, Land Development, Global Positioning Systems, 3D Modeling, Data Mapping, Engineering, Scientific, and Technical Instruments, Survey Creation, Engineering Calculations, Trigonometry, Systems Of Measurement, Numerical Analysis
★ 4.7 (144) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object-Relational Mapping, Django (Web Framework), Database Application, Database Development, Bootstrap (Front-End Framework), Database Administration, Full-Stack Web Development, Cloud Deployment, Database Management, SQL, Database Theory, Cloud Applications, Relational Databases, Frontend Integration, Databases, Database Design, Database Systems, Application Deployment, Authentications, Back-End Web Development
★ 4.5 (364) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Network Protocols, Network Security, Network Analysis, Network Monitoring, Image Analysis, Virtual Machines, Virtualization and Virtual Machines, Virtual Environment, Open Source Technology, Malware Protection, Command-Line Interface, Software Installation, Linux, Microsoft Windows
★ 4.6 (14) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Algorithms, Graph Theory, Data Structures, Computer Programming, C++ (Programming Language), Object Oriented Programming (OOP)
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, Build Tools, JSON, JUnit, Java Programming, Java, Web Services, Programming Principles, Package and Software Management, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
★ 4.7 (37) · Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Prompt Patterns, Content Optimization, AI powered creativity, Digital Publishing, Driving engagement, AI literacy, Process Optimization, Business Process Automation, LLM Application, Business Process
★ 4.3 (21) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Embedded Software, Real-Time Operating Systems, Embedded Systems, Software Systems, Internet Of Things, Real Time Data, System Requirements, Software Development, Secure Coding, Cloud Computing Architecture, Systems Engineering, Cloud-Based Integration, System Design and Implementation, Back-End Web Development, System Implementation, Communication Systems, System Testing, Algorithms, Performance Testing, Systems Analysis
★ 4.6 (69) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Layout Design, Graphic and Visual Design, Graphic Design, Adobe Creative Cloud, Photo Editing, Image Quality, Graphics Software, Typography
★ 3.7 (19) · Intermediate · Guided Project · Less Than 2 Hours