This is language packs for windows 7 64bit SP1.
If you have installed windows in differed language than yours, you can install your language with this pack.
If you dont have installed SP1 you can download it from here : 
https://www.piratebays.to/torrent/6197807/Service_pack_1_for_Windows_7-64_32bit-RTM

You must install first the SP1 and then your language pack !!!

Contained languages :
Ελληνικά(Greek)
English
French
German
Portuguese Brazil
Russian
Spanish