Note that some physical or digital editions of FIFA 17 are strictly region-locked (e.g., Russian/Polish editions or European editions). If your version is region-locked, certain languages (like English or Spanish) may simply not be supported by your specific game license.
If missing, change your Xbox location and system language in the console settings to match the language pack you want, then check the store again. Warning Regarding Third-Party Download Links fifa 17 language pack download link
If Method A fails (which it often does due to EA shutting down legacy servers), you can use community tools. The safest, widely trusted tool is the by GalaxyMan2015 . Note that some physical or digital editions of
This method is for players who have a region-locked version (e.g., the cheaper Russian version) but want to unlock full language support. It's a manual trick that involves downloading files from the Internet: Warning Regarding Third-Party Download Links If Method A
A legitimate language pack only consists of data files ( .big , .bh , .loc ). If a website forces you to download an .exe file or an installer to get the language pack, close it immediately. This is often malware.