The Treaty of Paris of 1763 was the treaty which ended the French and Indian War as well as the Seven Years’ War. The two wars are sometimes thought of as the same war and are sometimes thought of as separate wars, but they were both ended by the Treaty of Paris of 1763.
The Treaty of Paris 1763 was ultimately significantly more favorable to Britain than it was to France and the other parties involved in the war in question, as the Treaty of Paris of 1763 ended with Britain having all of the territory that had been conquered from it ceded back to it, as well as having additional territory ceded to it by France, including Canada, Grenada, and Dominica.
Britain restored some territory it had conquered to France and Spain, but ultimately Britain received significantly greater amounts of territory than it lost as a result of the Treaty of Paris of 1763.
The Treaty of Paris of 1763 was not without its own problems, as certain elements of the treaty were left unclear or difficult to understand. For example, the Treaty of Paris of 1763 granted Canada to Britain, but it also provided certain protections to French citizens who would remain within Canada, which is often cited as the reason why Quebec is different from the rest of Canada in terms of its legal structure.
Ultimately, the Treaty of Paris of 1763 bears most significance in that it indicated a shift of power towards Britain, transforming Britain into a very strong colonial empire.