This page explains how to use the Keystore Manager window to add a new key to an existing keystore. Unity requests the same information as Android Studio does when you generate a key or keystore through that. Unity doesn’t validate this information. If you leave a field blank, Unity uses an empty value. This might affect the final validity of the key. For more information, see Generate an upload key and keystore.
This task is relevant if you want to create a new keystore from the Keystore Manager window, or want to store multiple keys in the same keystore.
To add a key to a keystore: