Open the Word document.
Click the Insert tab.
Click Signature Line.
In the Signatures dialog, type the signer name, title, and email address (optional).
(Optional) Check “Allow the signer to add comments in the Sign dialog.”
Click OK.
Double-click the signature line.
Type the signer name (if prompted) or choose a different signing option.
Click Sign.
(Optional) To add a typed signature only: Insert tab → Text → Quick Parts → (or) Signature Line → follow prompts, or type the name and format it like a signature.
(Optional) To add an image signature: Insert tab → Pictures → This Device → select the signature image → resize and position.