On the Tools menu, select Options; click the Content icon
       Check the "Block pop-up windows" box, then the Exceptions button
       On the "Allowed Sites - Popup" window, enter www.adobe.com in the Address box and click Allow, then Close.
   On the Tools menu, select Add-ons; click the "Get Extensions" link in the lower right corner of the popup window.
   On the Add-ons page, select Plugins from the menu on the left.
   Click the green Install Now button that appears under the Acrobat Reader header.
   Adobe's Reader page is displayed. Follow the instructions for downloading the correct version.
   A "Software Installation" box is displayed; click Install Now.

I need to download the helper application to be able to download adobe. The instructions below are for Firefox 3.0. This version does not match. Please help To be able to download, add Adobe's site to the list of "allowed sites" in Firefox: On the Tools menu, select Options; click the Content icon Check the "Block pop-up windows" box, then the Exceptions button On the "Allowed Sites - Popup" window, enter www.adobe.com in the Address box and click Allow, then Close. On the Tools menu, select Add-ons; click the "Get Extensions" link in the lower right corner of the popup window. On the Add-ons page, select Plugins from the menu on the left. Click the green Install Now button that appears under the Acrobat Reader header. Adobe's Reader page is displayed. Follow the instructions for downloading the correct version. A "Software Installation" box is displayed; click Install Now.