The best free resource IMO is the National Center for Home Food Preservation. I'd start wth the "How Do I..." subsection that interests you.
this post was submitted on 16 Jun 2023
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Canning & Food Preservation
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Canning and preserving food. Includes dehydrating, freeze-drying, etc.
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The Ball Blue Book of Canning and preserving is pretty good.
Thank you to everyone who responded. Ill take a look at what you mentioned.
I'd contact that local ag extension in your area. They often offer free beginners classes online or in person.