Resume where You Left Off in Firefox

Did you know that you can set Firefox so that it will open with the same webpages you had open last time you closed it instead of opening with your homepage? If not, I'm going to you show you how you can make it so.

First, click on the "hamburger" button in the upper-right corner, then click Options:

Next, from the option "When Firefox Starts:", choose "Show my windows and tabs from last time":

That's all there is to it.