In case you changed to a different language by accident these are the necessary steps you have to take to pick another one. Named items are provided in english, positions are provided in brackets.
- open the options tab
- Double click on Interface (6th item)
- Click on Language (1st subitem)
- Select your favorite language
- Press the unreadable box in the low left hand corner of the menu area you are in and that means SAVE. Completely previously forgotten and impossible to read in Japanese/Chinese Kanji. It took me 6 months to find it.