Where can I get Ad Block Plus for Windows XP for my older Laptop Computer? I don't want to throw the Laptop in the trash. Version 52.9 is the latest version of Firefox for Windows XP. So I need an older version of Ad Block. It was already on my Laptop and working quite well and since the computer was put is storage for a long time, the Firefox Prompt suggested a FRESH START which removed all addons. Then I tried to put them back and they were no longer available. So where can I get an old version of Ad Block Plus?