1. Start the WPS software and open the document to be signed, or create a new document.

2. Scan the handwritten signature into the computer, retouch it with ps and save it on the computer with a white background;

3. Click "Insert" in the menu bar to find the "Picture" option;

4. Select the signature photo to add in the pop-up dialog box;

5. Adjust the photo size and select the floating option below the text to complete the electronic signature.