Some options with Firefox Browser

You often use Firefox browser to surf the web/net. I'm sure that some following options are useful for you:
Going to Menu bar --> Tools --> Options ...
+ Saving tabs when closing Firefox:
General --> Startup --> When Firefox starts --> "Show my windows and tabs from last time"
+ Firefox ask you when downloading a file:
This browser download automatically a file to C:\downloads (if you install Windows at drive C) without asking.
General --> Download --> Always ask me where to save files
+ Turning off Scroll Effect:
This effect sometimes make you feel uncomfortable when you surf a website which have many pictures.
Advanced --> General --> Browsing --> uncheck "Use autoscrolling"
+ Help Firefox run faster:
Advanced --> Network --> Offline Storage --> Use up to ... --> you can type 500 or 1000 if drive C have large capacity.

+ Delete private informations:
If you share computer with another user, this function is very useful
Go to Menu bar --> Tools --> Clear Recent History --> ...
   ++ Time range to clear --> Everything
   ++ Details --> choosing all items
   ++ Clear now.

Everything success with you.