Hi I was wondering why Firefox uses so many instances just to run one tab? I keep lagging when I use this browser, and when I check Task Manager, it says its running up to 13 instances. I've had this happen when I've been actively using Firefox, watching videos on Firefox, and even just having one new tab open while I'm doing nothing else on my computer, and it still runs between 7 and 15 instances. Before writing this question, I searched the already asked questions on Firefox and found someone having almost the same problem as me, only instead of all instances being grouped up (like mine), theirs wasn't. When I tried to follow someones fix to the problem, I soon found out that this was for an old version, and their instructions included an option that my up-to-date version didn't have anymore. In conclusion, I'm having a problem where Firefox is running too many instances, and all of the answers to other peoples questions are out of date. Thanks!