hi
i downloaded service station free website template,can I update joomla core to 4.2.3 and php 8?
You can !
BUT
Please do update when this real important.
Before making any upgrades, make backup yours site( files and DataBase). With that you will not lost something important
Please, update component and all modules to last version.
At first please check upgrade/update process at the test website!
Please install new component and modules without remove old.
When component is updated, the update may overwrites the Component configuration, please check component configuration.
If you have custom changes of component or site, you can lose your changes.
Please, in that case do not make update.
After update - Check how all work
If you would like any further information, please do not hesitate to contact us too.
Regards,
OrdaSoft team
P.S. Please do site backup 2 times per month if the more often - better!