Open the Word document
Place the cursor where you want the signature
Go to the Insert tab
Select Signature Line
Fill in the signature details if prompted
Click OK
Sign the document by double-clicking the signature line
Type your name or insert a saved digital signature
Save the document
To add an image of your handwritten signature
Sign on a blank white paper
Scan or take a clear photo of the signature
Save the image file
Place the cursor where you want the signature
Go to the Insert tab
Select Pictures
Choose the signature image
Resize and position it as needed
Save the document