In order to resolve this issue follow these steps:

1. In the Cortana box type ‘Region’.
2. Click on ‘Region and Language Settings’.
3. Click on ‘Add a Language’.
4. From the list of languages select Chinese Simplified.
5. Select Chinese (Simplified, China).
6. Click on Language pack available.
7. Click on Options button.
8. Wait for Download to complete.
9. Under Keyboards click on Add a keyboard
10. Click on Microsoft Pinyin Input method editor and choose the language editor of your choice.