Warning: Please note that it is not possible to revert back to Vtiger v7.0 after the upgrade to Joforce v1.2
So, it is important to take a backup of the Vtiger v7.0 files and database before upgrading.

Backup of source folder

Backup of database

Copy the config.inc.php from root directory to config/ folder and Change the following values in the config/config.inc.php file

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Change the $site_URL

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Change the $root_directory

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Change the include_once 'vtigerversion.php' to include_once 'version.php'

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Change the value of $includeDirectory from $root_directory.'include/' to $root_directory.'includes/'

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Change the last line of the file from include_once 'config.security.php' to include_once 'config/config.security.php'

Create a .htaccess file in your root directory with writable access

Replace your storage folder

Replace your user_privileges folder