Hi danone1993tv
Sorry if I was wrong.
[Text Language English to Polish]
1. Open the "game property" of FIFA 18 in Origin.
2. Select "English" for "Game Language" in "Advanced Launch Options".
3. Save your changes.
#1 to 3 may not be necessary.
4. Back up FIFA 18.exe
5. Open "FIFA 18. exe" with Hex editor.
6. Text type "en_US" Search and edit to "pl_PL".
View attachment 6921
7. Text type "eng,us" Search and edit to "pol,pl".
View attachment 6922
8. Search "pl_PL" in another place different from the above "6" and edit it to "en_US".
View attachment 6923
9. Save your changes.
#sample
http://www.mediafire.com/file/eck74l4g744m0n9/FIFA18_en_to_pl_sample.zip
[Commentary Language Polish]
10.Download the Polish commentary language file and place it.
https://drive.google.com/file/d/1S79vVEieGVqAG3gVWJEMd0duwlD1c5R8/view?usp=sharing
11.Start the game and change the commentary to Polish with the audio setting of the game setting.