Upgrade to Joomla 6 and PHP 8.5

I could use assistance with updating my Joomla site from 4x to 6x, also updating php to 8.5 and making sure everything works ok. Other concerns are making sure the Flix template works correctly and other modules currently in critical use: Regular Labs - Modals (PRO) https://regularlabs.com/modals Admin Tools (Pro) - Akeeba https://www.akeeba.com/products/admin-tools.html Akeeba Backup (FREE) https://www.akeeba.com/products/akeeba-backup.html EasyCalcCheck Plus - ECC+ https://kubik-rubik.de/ecc-easycalccheck-plus Template - https://www.joomlart.com/joomla/templates/ja-flix https://www.joomlart.com/joomla-status/index.php?group=jatc JA Content Listing ------- NOTE: this is an adult oriented site as a warning to anyone where this may be an issue.