You need to provide us only FTP details and Super Admin account of your website. In case of the Third party plugins, you will also need to provide us the login information.
It will be complete in 48 hours usually once we have all the information. If its weekend it may take longer. You can get our support package in order to get this done faster as well.
If you do not want to provide the credentials for your third party plugin upgrades, you can send us the latest packages.