I need a C# WinForms RichTextBox based word editor. -- 2

I need a C# WinForms RichTextBox based word editor which will incorporate all the facilities contained by the following c-sharp corner project:
https://www.c-sharpcorner.com/article/word-processing-with-an-extended-rich-text-box-control/.

This project missed the table creation option it will be included and it will be extended as the attached video.