# Create a self-signed digital ID

A digital ID is required to sign documents. Self-signed digital IDs created from Reader may be adequate for many situations. See the Adobe website for information on acquiring a digital ID from Adobe security partners.

1. Choose Document > Security Settings.
2. Select Digital IDs, and click Add ID.
3. Select Create A Self-Signed Digital ID For Use With Acrobat.
4. Follow the on-screen instructions to set up the self-signed digital ID.

Related Information

- About digital signatures