Silverstripe 3.5.3 DB Connection Details

Questions
1

Silverstripe Version: 3.5.3

Question: DB Connection Details - Update

I am trying to move the website hosting platform, I have managed to FTP the files across and create the DB I cant seem to locate the _config file to update the connection details any help would be useful

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2

You should probably update or rebuild the website - that version is wildly out of date.
In any case, Silverstripe CMS 3 doesn’t use a _config.php file, it uses a _ss_environment.php file. See Environment Management | Silverstripe CMS Documentation for details.