Some will ask: Why will any one need that?
- Hosting environment conflict with a newer version of WordPress
- Theme/plugins conflicts
- Vulnerability on WordPress core still not patched
#1 By using WP Downgrade pluginWP Downgrade helps lock upgrades and downgrades to a specific WP version. Here is how you need to proceed:
- Go to Settings > WP Downgrade settings page.
- Set the WordPress target version (you can use WP releases page to find the right version number).
- Hit Save Changes.
#2 By using WP CLIIf you hosting service has WP CLI enabled or if you are using a VPS, you do the desired upgrade/downgrade using WP CLI. To update or downgrade, use the following command:
- wp core update –version=4.9.10 –force
#3 By manually replace core filesThis will require an access to website’s directory through FTP. All you have to do is:
- Download which version of WordPress you want to use from WordPress official releases page.
- Unzip on your desktop.
- Remove the following files and folders: wp-content, wp-config-sample.php.
- Connect to your website through FTP and upload all the remaining files.