Learning how to use a Macbook Air

Online, no, but they do offer courses at any Apple Store.

click here ➜ Today at Apple - Apple

You can also consult the user manual.

click here ➜ Welcome to MacBook Air Getting Started Guide - Apple Support

..Mimi2Ryan..

Perhaps in addition to these fine available examples of guides

you may consider MacBook Air 'Table of Contents' user guide.

This could be 'saved as PDF' to be kept in Mac or used elsewhere.

(examples)

•Print settings on Mac - Apple Support

•Save a document as a PDF on Mac - Apple Support

•Print PDFs and images in Preview on Mac - Apple Support

The Option to Print and Save this like a book, has been available

for a few years; the content had changed, since I first saved one.

Welcome to MacBook Air Getting Started Guide (Table of Contents) - Apple Support

//support.apple.com/guide/macbook-air/toc

..Ones for various iPhone models in expanded build versions. In those

with older models, listed in their Table of Contents section. I've saved

few versions, have one for original iPhone SE (1st) ed. & newer ones..

iPhone User Guide - (Table of Contents) Apple Support models to iOS18.x

//support.apple.com/guide/iphone/toc (this reflects newest iOS always)

iPhone User Guide - (Table of Contents) Apple Support iOS16.x

//support.apple.com/guide/iphone/toc/16.0

iPhone User Guide - (Table of Contents) Apple Support iOS15.x

//support.apple.com/guide/iphone/toc/15.0

<https://duckduckgo.com/?t=ftsa&q=how+to+save+as+PDF+in+macOS&ia=web>

In addition to Phil0124's reply, another excellent source are eBooks by Take Control Books. They have a number of them covering numerous Mac topics, including their macOS operating system.

Also, the following support article may also come in handy if you are familiar with Windows systems:

• Transfer from PC to Mac with Migration Assistant - Apple Support
• A Quick Guide to Using a Mac for Windows Users - MUO
• MacOS for Windows users - GitHubGist