Help me write the letter, please!

Hello! My name is Anna. I would like to know has the university magistracy speciality of jurisprudence in English. How much cost year of study? What need documents for arrive in university?
Yours sincerely,
Anna

Hello

My name is Anna. I would like to know if the university has a program specializing in jurisprudence taught in English. How much would it cost a year? What documents are needed to be accepted into the program?

Hi Anna

Sorry, I don't know if I got your question right because I don;t know much about law. Hope this helps and good luck!

Diana

Help me write the letter, please!

Hello! My name is Anna. I would like to know if the university offers a master's degree in jurisprudence in English. How much is tuition per year? What documents do I need to apply?

 
Sincerely yours,
Anna

[Diana's corrections are also good, my version is just slightly more formal.]