How to Stop MS Word From Capitalizing the First Letter

1. Click Word's 'File' menu on the top left.
2. Click 'Proofing' on the left of the 'Word Options' dialog box.
3. Click the button marked 'AutoCorrect Options.'
4. Uncheck the box labeled 'Capitalize first letter of sentences,' and click OK.
5. Click 'OK' again to close the 'Word Options' dialog box.