This needs a rooted phone with root enabled file explorer. (Root browser or ES file manager)
Go to this path:- system/emui/lite/prop/
backup this file - local.prop (copy and paste in internal storage or somewhere)
Now edit the original file under system/emui/lite/prop/ and make below changes.
fw.max_users=1 to 2
fw.show_multiuserui=0 to 1
ro.config.hw_support_clone_app=false to true.
Save the file and Reboot the phone.
Now check in settings option just below battery for app twin.
If it works, please share the feedback so that other users can get benefit of this and if doesn't work, we will explore more option to have this.
If you face any issue, just restore the original file from backup.