If you migrated your account once migrated you will need to delete your old account as far as I am aware.
- Login to your old panel
- Go to migration page and proceed move account details.
- You will be able to login to old panel and new panel at the same time (Email address must be the same)
- Backup files to your computer via FTP
- Backup database to your computer via PHPMYADMIN
- Create new website in new panel
- Upload files and databases to new website.
– Use file manager in Upload files section, How to upload files to 000webhost?
– How to create a MySQL database on 000webhost.
– How to Import MySQL Database on 000webhost
- Use old domain for your new website (Set Web Address section)
- Additionally, recheck if your website had cronjobs, redirects, password protected folders, IP deny rules, hotlink protections and setup it on new panel if needed.
- Setup mail forwarders if you use custom domain. This tutorial should help you out
- Setup subdomains. Check previous section
Major changes between two system
1. If everything is working correctly, terminate your old account and enjoy the new panel!