I generally know about the history of the American revolution and the time around it and I've often seen sources touch on the 7 Years War and how big it was but I haven't seen anything that talks in depths about it. Any good books or podcasts?
You might look into Fred Anderson's Crucible of War: The Seven Years' War and the Fate of Empire in British North America, 1754-1766. It is also available on Audible.