Download Adobe Reader if you don't already have it: https://get.adobe.com/reader/
1. Open Adobe Acrobat Reader and choose Preferences.
2. Select Signatures.
3. On the right, click More for Identities and Trusted Certificates.
4. Select Digital ID, then click on the Add ID icon.
5. Select A new Digital ID I want to create it now. Click Next.
6. Fill out the form with your Name, Teachers College in the organization field, email address, country region, from the Key Algorithm drop down select The 2048-bit RSA option. From the Use Digital ID For menu, choose digital signature and data encryption. Then Click Next
7. Type a password for the Digital ID file. Reconfirm your password and click Finish.
If a digital ID file with the same name exists, you're prompted to replace it. Click OK to replace, or browse and select a different location to store the file.
You will need to remember this password in order to sign a document. Use LastPass to store your password.
8. The ID is created. You can export and send your certificate file to contacts who can use it to validate your signature.
See Document "Signing a Document or Form in Adobe with a Digital Signature" for instructions on how to export your signature.