If you have not set a default language in a Microsoft Word document before, refer to the instructions in the article Set a default language in a Microsoft Word document (PC) before proceeding to the instructions below.
1. Open the Microsoft Word document that you want to set a language for.
2. Highlight all the texts in your document.
3. Click the language button on the bottom left hand corner of your document.
4. A pop-up window will appear. Select your desired language. Then, click OK.
5. The new language should now be applied to the document.
