Every day new versions of software’s are released making the one we are currently using out of date. However WordPress is not left out, you may want to upgrade the version you are currently using to a better one or you have just received a notification asking you to upgrade the version you have. You cannot just replace the one you have since there is a lot of content and information you may loose by so doing. The process of upgrading affects all the files and storage locations in the installation of WordPress. This includes the most crucial files which aid the running of the WordPress.
Before any upgrade is done, it is proper to check the requirements to ensure that your webhost contain the much needed versions of PHP and MySQL. However you can be notified by the hosting provider just incase. Upgrading process may wipe out your entire database, so it is equally important to do a backup of all your post and pages. This is done incase you may need the same data later own. However if you are not acquainted to the backup process is you may follow the instructions in the WordPress backups segment of the codex.
The present plugins can not work in the new update you are about to install. This is because they do not have the updates for that particular upgrade. If it is not disabled they may cause serious problems in the new upgrade. So it is advisable when upgrading WordPress to disable the current plugins. This is simply done by going to the Manage Plugin page found on the dashboard, changes the Bulk Action from drop down menu to deactivate then click apply.
After all the backing up and disabling of the plugins, you are now set to upgrade your WordPress software. However there are two methodologies of doing this; one is Automatic Upgrade. This feature is present in current versions of WordPress. You can as well initiate the automatic upgrade through a click by navigating to the tools menu, then upgrade menu. When you are on the upgrade menu click the icon Update Automatically. This start the process of upgrading on. This is the easiest method of upgrading WordPress. However for this feature to work:
Sometimes the automatic upgrade may not work if you are not using PHP5. If you experience this kind of problem apply the option B which is the manual upgrade. Manual upgrade unlike the automatic upgrade have a lot of activities you must perform.
Moreover make sure you update your installation. This will update your catalog in order to merge with the newest version.