need help to upgrade old version in order to work with php7

Hi there,
Here is another guy trying to make their website work with php 7.x
I have tried upgrading the site manually but without luck. My concrete5 version is
my site's domain is

I am attaching the error log file with the main error: Non-static method Cache::get() should not be called statically in .... some folder.

I will be recreating this site from scratch but I would like to make it run first in order to get all the data from the old website.
Or does anyone know a way to get the site's page contents if you have all the server files?
Or maybe running the site on a local server which uses an older version of php.

please help

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ConcreteOwl replied on at Permalink Reply
The sites content is stored in the database tables, not in a physical file.
Your best solution is to put all the files and database on a local server that has several versions of php and go from there.