Libreoffice.org rather than MS Office.

Full program included that will never expire! Free for life updates with lifetime license so no yearly subscription or key code required ever again! You are free to install to both desktop and laptop without any additional cost, and everything you need is provided on USB; perfect for offline installation, re installation and to keep as a backup.

No Plot? No Problem! A Low-Stress, High Velocity Guide to Writing a Novel in 30 Days by Chris Baty. Updated in 2014.

https://en.wikipedia.org/wiki/National_Novel_Writing_Month

https://nanowrimo.org/ set up an account and get ready for November!