I came across this from a member having an issue with a particular Language Pack and found that they are no longer available via Windows Updates.
These are exe. language packs available for all versions of Windows 7 x86 & x64.
How to use another language pack in Windows 7 Home Premium & Professional
If you own Windows 7 Professional or Windows 7 Home premium, you have probably discovered that you are unable to download and install another language pack from Windows Update site.
First you will have to download the language pack for Windows 7. Since Windows 7 language packs are available via Windows Update as an optional update for Windows 7 Enterprise and Ultimate editions only, here is the list of 32-bit and 64-bit language packs available from Microsoft for manual download.
How to use another language pack on Windows 7 Home Premium and Professional
Hope you find this useful
Don