Adobe Illustrator Learn & Support
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Adobe's official tutorial hub for Illustrator, organized from first steps through advanced techniques, with short videos and step-by-step guides on drawing with shapes and the Pen tool, working with type, color, and layers, and preparing artwork for export.
More resources on Adobe Illustrator
Vectortuts+
Free Illustrator tutorials for graphic designers
Adobe Illustrator CC Classroom in a Book
Adobe's official project-based workbook for the 2013 Creative Cloud release of Illustrator: fifteen lessons with downloadable files covering shapes, the Pen tool, color, type, layers, brushes, and effects, building a working command of the core vector toolset. Interface details predate current versions.
illustratorhow.com
IllustratorHow is a tutorial-focused resource for learning Adobe Illustrator, offering step-by-step guides, tips, and project-based workflows to master vector drawing and common Illustrator tools. Content covers logos, icons, typography, gradients, and practical vector art techniques.
Vector Basic Training
Von Glitschka's systematic process for precise vector illustration: sketching ideas on paper, analyzing shapes, then constructing clean Bezier paths with efficient point placement. Includes video tutorials and sample art files, teaching readers to produce professional-quality logos and illustrations rather than just operate tools.