Step1. Setting Mian interface Language
   ① Open the sFree Office Suite for Docs and PDF.
   ② Click Setting button. 

   ③ In the setting interface, select the language you want to set and restart the application


Step2. Setting Document interface Language
   ① Open the sFree Office Suite for Docs and PDF.
   ② Click Write Document button. 


③ In the Documents interface,  Click Tools -->Options



④ Click Language Settings, Click Languages
⑤ In the drop-down menu select the language you want to set and restart the application.
⑥Click OK

 ⑦ Click Restart Now.