Sign your signature: Click and hold the Enter key while you sign your name. A copy of your fingerprint will automatically be filled in. Signing and filling your form by filling out the fingerprint PDF Fill & Sign — Adobe Support How to fill out a form and sign it using your phone, tablet or computer. Use the Fill & Sign tool to sign forms for free. Steps to upload a PDF or image and sign it in Acrobat DC Use the Acrobat Fill & Sign tool to easily fill out and sign documents from smartphones and tablets or computers with a USB cable or a Bluetooth connection. For instructions on how to upload a PDF or image and sign it in Acrobat DC, view the following page. Adobe Fill & Sign Tool Instructions for filling out a PDF form and signing it in Acrobat DC Open the PDF or image in Acrobat DC. Click the Fill & Sign tool in the right pane, or click Sign icon in the toolbar. This tool will start to fill out your form. The fill-in process does not involve using your fingers. How to fill out a PDF form and sign it online for free using your computer Open the PDF form or image, open a Word document and sign in using the same account that you used to fill out and upload the form. For instructions on how to sign a PDF form and sign it online using a computer, view the below instructions. How to fill out and sign a PDF form online for free using a computer 1. Open a Word document. 2. Add a keyboard shortcut or Ctrl+Alt+Enter if your keyboard has one. How to Fill out a PDF Form and Sign it in Acrobat DC using a computer to fill out a form or to sign in using the computer 1. Open the form, or upload the PDF form, in Acrobat DC. 2. Select the Fill & Sign tool, from the right pane, and click Sign in or Sign up to sign in or fill out your form. It depends on your browser. 3. Fill and sign an image or PDF form using your tablet computer The fill-in process of this PDF form and sign it in using a computer. You can try it on your device too. Use any of the following devices to fill and sign a PDF form online for free using your tablet computer: Using any of the following devices to fill and sign a PDF form online for free using your tablet computer.