PDF Software Development, Training and More. You may even consider running Adobe's Cleaner application to make sure that nothing from your old installation remains on the system: You an also lookup your serial number on the "My Products" page: Īnd, if the download via "My Orders" does not work, you can find the installer here: If you are running Acrobat, it gets a bit more involved if you don't have access to your installer: You can lookup and re-download your version of Acrobat via the "My Orders" page on Adobe's website: Click the Tools tab and scroll down to the Forms and Certificates section. If you are running the free Adobe Reader, just uninstall, download a fresh installer and re-install. Follow the steps below to add a signature: Open your document in Adobe Acrobat. If this does not fix your problem, you may have to re-install your software. Applying an Invisible Certified Digital Signature Click on the signature field, or click on the Certify Document button on the Secure Tab and choose Invisible. Select Sign Document from the right-click menu.
If you are on a Windows system, use the Repair option in the Help menu. Right-click in the PDF document where you want to add the Digital signature. Click the Sign button on the toolbar and select Add Signature to add your signature to Adobe Acrobat Reader DC.
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