Adobe Acrobat Learn & Support

Get help downloading and installing Acrobat, Acrobat 2020, 2017, Acrobat Reader, and more, along with common installation and troubleshooting issues.

See how to uninstall and reinstall Acrobat on Windows or macOS, as a trial, and on a second computer.

Your individual Acrobat license lets you install Acrobat on more than one computer, and activate (sign in) on up to two computers.

Fix errors with your Adobe apps if you received an error code or number, or get help with common Acrobat installation errors and solutions.

See common solutions to help fix Acrobat intermittent crashes on Windows, send error reports, or file a bug.

If Acrobat or Acrobat Reader crashes on the first launch, it's likely an incompatibility issue between Acrobat and certain Nvidia drivers.

Try our top solutions if Acrobat repeatedly prompts you to sign in.

Learn how to activate Acrobat and resolve activation, licensing, and sign-in related issues.

In four easy steps, you can set Acrobat or Acrobat Reader as your default PDF program.

Learn all about the Adobe Acrobat interface and Workspaces basics, including tools, menus, preferences, and more.

Learn how to add or replace text, change fonts, adjust alignment, resize text and more in a PDF.

Quickly and easily change the default font in Acrobat for adding text and fallback font for editing PDF.

You can easily create an intelligent PDF form by converting a scanned paper, Microsoft Word, Excel, or other form. Or create a new form directly in Acrobat.

See how to add PDF form fields to create text boxes, date fields, perform calculations, trigger custom scripts, and more.

Combine two or more files into a single PDF, and arrange pages in the right order from your computer or browser.