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To change the display language for the entire suite (Writer, Spreadsheets, and Presentation): Open WPS Office and look for the (gear icon) in the top-right corner of the home screen. Switch Language (sometimes listed as "MUI" or "Language Settings"). Italian (Italiano) from the list of available languages. the application for the changes to take effect. How to Enable Italian Spell Check wps office italian language pack top
You can use this for a blog, a software help site, or a user guide. When searching online, you will encounter many options