Need to revert to an older version of wordpress

In order to downgrade your wp version , first download your desired version from the link below

https://wordpress.org/download/release-archive/

Then follow the steps

  1. Deactivate all plugins
  2. Logout of wordpress
  3. Delete the WP-ADMIN WP-INCLUDES folders via FTP
  4. Transfer the files from the downngraded wp version to your site via FTP EXCEPT WP-CONTENT
  5. Now login to wordpress , you will be requested to update database , and do it .

You are done.