Want to learn how to research your UK ancestors for free? National Archives (UK) offers detailed online guides to researching these subjects:
Family History: Pretty much everything you might want to know about British records of interest to genealogists.
Latin: Beginner and intermediate tutorials for persons wanting to learn Latin words likely to appear in British genealogical documents.
Paleography: They say German script is hard to read, but reading medieval English handwriting is no cakewalk. Here’s a great tutorial to help you master medieval British script.
Local History: Interested in the places in the UK where your kinfolk came from? Here’s how to learn about your ancestral home.