Hello,
I would like to get Spanish dictionary program because I am learning spanish language and I have one big problem, I can not understand how pronounce spanish words because in audio, the people are talking too fast, so if you know some free spanish dictionary, please tell me 
and sorry for my english
One of the dictionary options at LingQ is the WordReference dictionary. You can refer to it or choose it as your default dictionary. This dictionary offers audio pronunciation of each word you look up.