Tabbed Browsing

One attractive feature of Firefox is tabbed browsing.

Tabbed browsing allows you to have multiple windows open in the same
browser screen.

To open a new tab you can go to File and select New Tab or you can press
control + T in Windows or if having to your using a Mac option + T.

Another way to open a new tab is to hold down the control tab as you
select a link and it will open the link in a new tab.

To navigate between tabs you can either select the tab... the title of
the tab on the tab bar or if you hold down control and then press tab it
will cycle through the tab bar.

To close tabs there should be an X at the right side of the tab bar you
can select that, you can also right-click on the tab you would like to
close and select close tab, or you can go to File and select close tab.

Another attractive feature of Firefox is it's ability to blockup ads
which is built into the browser.

When you encounter popup ads there are several ways its indicated. 
There will be a toolbar that appears right underneath the tab toolbar
when you encounter a popup.

There will also be an X in the bottom lower right-hand corner of the
screen.  If you click on either of these you'll get the same options.

To allow popups from the site that your at.  Edit popup blocker options
or show the ad this one time.  It also not to show anymore information.

If you edit popup blocker options you'll be then taken to a menu. Where
you'll be able more enter than one site that you would like to allow
popups from.

If you choose to select: Don't show this message anymore.

When popups are blocked it will inform you that then the only way that
it will be indicated that popups have been blocked is there will be an X
in the lower righthand corner of the screen.

If you want to go back to the Edit popup blocker options.  You'll want
to go to Tools and then select Options, go to Web Features and then in
Web Features select the allowed sites of the popup windows.

Then here you'll be able to add more sites or remove them if you don't
want them any longer.