All FCAR scanners in north america market, it has both English and Spanish, but be default it only load English. If you want to add Spanish support, 

1) Login at www.fcar.com with your user name and password, and select download. and click on the Language drop down menu and select the language to download

2) After download the package on your windows PC, click the software to run and select your SD card drive to do the update.

If your SD already has English software and want to keep English, don't format the SD card or remove English sofware in the SD card, you will keep original English software and plus the newer english you add. Switch the two language in your scanner by select your language setting in the scanner.