Create a new website using your existing site name and domain (you can refer to this article).
Once you have created your website on WPWorld, go to your dashboard, and click Manage under your website.
On your website’s management panel, click the Migrate Existing Website button.
Fill in your existing website’s admin page url (for example mywebsite.com/my-admin-page)
Finally, fill in your admin credentials. You could use a one time login link and fill it in the “Username” field.
Please note: WPWorld ensures 100% privacy and does not publicly store personal information. Your credentials will be used for the migration purpose only.