Diễn đàn hỗ trợ Firefox

I am installing an extension I trust, called KDSpy, to help me see which books are selling well on KDP Kindle Direct Publishing. How can I go back to click the box "run on private browser" for incognito browsing?

ad blocker on mac laptop does now show up in mozilla firefox extensions or manager, I opened the puzzle icon but only grammerly shows up, I know I have ad blocker because i have websites saying so and i paid for it annually,