If you're having trouble finding the language pack through the game, you can try downloading it from the official EA Sports website:
The most reliable way to get official language files is through the (formerly Origin). EA App/Origin Library and right-click on Game Properties and navigate to the Advanced Launch Options from the "Game Language" dropdown menu and click Fifa 17 English Language Pack Download
Open the (localization) folder. Copy and paste the eng_us.bh and eng_us.big files here. If you're having trouble finding the language pack
Click . The app will automatically download the required English language files. For Steam: Open your Steam Library. Right-click on FIFA 17 and select Properties . Go to the Language tab. Fifa 17 English Language Pack Download
Locate in your library and select Manage or Settings .