The specific operation steps are as follows:
1. After successfully installing the PDF editor, double-click to open it. Then select "Open"-"Browse" and select the PDF document we need to edit according to the instructions.
2. After opening the document, select Protection-Management in the interface toolbar.
3. Then select Add-Draw Signature in the pop-up page, or import signature from a file.
4. Next, use the mouse to sign the "Draw Signature" page. You can adjust the signature color at the bottom of the page, and click OK after signing.
5. Next, set the signature name and password.
6. When finished, use the mouse to select the signature.
7. Then click the left mouse button in the blank space (where signature is required) to complete the signature.
8. Finally, enter the password.
9. Remember to save the file when you are finished.