A family of Microsoft word processing software products for creating web, email, and print documents.
Which specific symptoms do you see? Are there any error messages? A bit more detail would help us diagnose the issue more quickly.
General troubleshooting can be found in the support article at https://support.microsoft.com/en-us/word/how-to-troubleshoot-problems-that-occur-when-you-start-or-use-word .