Confirm the operation on the pop-up window, and in a few seconds, your Signal account will be deleted. Now, keep in mind that deleting your Signal account means that you cannot restore the same from a backup at a later date. If you feel like using the Signal Messaging app again, you will have to start from scratch.
You can download your copy of the Signal messaging app from the link below.
Signal for Android – Click Here.
Signal for iOS – Click Here.