Adobe recommends that update to the latest version to take advantage of security and stability improvements. Updates can be installed as described below.
For information about the latest version, see the Release Notes.
If you're installing Acrobat DC subscription or trial and have chosen to retain Acrobat XI on your computer, then follow the steps below after you have installed Acrobat DC.
You can update Acrobat to the latest released version manually using the menu option Help > Check for updates.