This Language Packs only! Will add following languages to your Windows 7 x64 with SP1 (any edition e.g. Ultimate, Starter):
ar-sa, bg-bg, cs-cz, da-dk, de-de, el-gr, en-us, es-es, et-ee,
fi-fi, fr-fr, he-il, hr-hr, hu-hu, it-it, ja-jp, ko-kr, lt-lt,
lv-lv, nb-no, nl-nl, pl-pl, pt-br, pt-pt, ro-ro, ru-ru, sk-sk,
sl-si, sr-latn-cs, sv-se, th-th, tr-tr, uk-ua, zh-cn, zh-hk.