If your portable version includes multiple language packs, you might be able to change it within the app: Go to (the second menu from the left). Select Preferences (bottom of the list) > Interface . Under UI Language , check the dropdown menu for English .
Save the changes to the portable.dat file and close the text editor. Launch Photoshop.exe . The application should now initialize with the English user interface. adobe photoshop cs6 portable language change to english