Britannica 2015 is a wonderful resource competing face to face with Wikipedia to this day!
Problem comes with the Installer though which is a pain in the ass , the darn thing stops when installing the fonts , in order to finally come the process done , you have to repeat the installation while keeping an eye on the fonts installed by the program THEN after you kill the process you have to copy again the entirety of the fonts and delete the Britannica folder to the Windows/Fonts Folder and initiate installation again , this is quite a boring process only for the faithful.
Learn n Enjoy.