Download Adobe Reader to your PC if you don't already have it: https://get.adobe.com/reader/
1. Open Adobe, click on the Edit Menu, Choose Preferences then Signatures.
2. On the right, click More for Identities and Trusted Certificates.
3. Select Digital ID, then click Add ID.
4. Select A new Digital ID I want to create it now. Click Next.
5. Specify where to store the Digital ID then click Next.
New PKCS# 12 Digital ID file stores the digital ID information in a file, which has the extension .pfx in Windows and .p12 in Mac OS. You can use the files interchangeably between operating systems. If you move a file from one operating system to another, Acrobat still recognizes it.
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.