Edit Google Document with Microsoft Word

Questions:
- How to edit google document with microsoft word
- How to open a MS Word Document from Google DOCS, edit it, and then save it directly back to Google Document
- How to change a document in Google Drive
- Editing and Working with Microsoft Office on Google Documents

Solution:
Add new REVISION by right click on your document in Google Drive and select Manage revisions... and select Upload new revision and upload your new version of document