If you do not have your configuration file and configuration file password please read below article instead as it is more comprehensive
https://armamanagedservices.freshservice.com/a/solutions/articles/16000001776
Launch the Wickr Enterprise application on your device.
Click Configure Your Account
Locate your conf.wickr file.
Select conf.wickr.
Should get a GREEN check box once it is selected
Enter in the secret config password and press CONTINUE
The user will need to accept the Enterprise Alert by clicking ACCEPT
A popup will come up to acknowledge that by signing in you are agreeing to the User Agreement
Press Okay to this notice
Sign in with your primary government email and DOD ID# or EDIPI number.
Change password. Follow the password guidelines.
IMPORTANT: Click SAVE when prompted for Master Recovery Key and KEEP IT SAFE!
For more information regarding the Master Recovery Key you can go here.
https://support.wickr.com/hc/en-us/articles/360004407153-What-is-a-Master-Recovery-Key-
If you can not save the document onto your computer TAKE A SCREENSHOT. This key MUST be retained!
Click NEXT once saved.
Click submit then sign in with new password and click Submit and you should be in! Be sure to do the tutorial first time to get accustom to Wickr Enterprise!