Updating WordPress site with the latest version is always good.The WordPress upgrade system is vastly improved. But while updating your WordPress website you have taken care of your website database files.
First and important point under updating that you should do this process when your website has lower traffic. Next, start working through the steps below.
Depending on what you need to update, some of these steps may need to be omitted, but here is the proper sequence of update events:
Kindly refer the below Steps while updating WordPress
1: Back Your Site Up
Take a backup of your WordPress website if anything’s goes wrong then you have backup to restore old site. Back up the database of your site. You can do this either via PHPMyAdmin or with our new dashboard tool.
Back up your themes and plugins. It is worth noting that backing up the uploads folder (inside wp-content), which can often take a long time, is not necessary before upgrading. We have backups of it on hand, plus nothing in a WordPress update is going to affect your uploads.
2: Turn Caching Off
Deactivate your caching plugin. In most cases this will be W3 Total Cache.
3: Update Your Plugins and Theme
Whiling updating your website please take note on updating plugin and theme framework. Because some plugin are not supports newer version of WordPress please take care of this.
4: Now Update WordPress
Now update WordPress itself! Just click on the automatic upgrade button and let WordPress do its thing.
5: Activate installed Caching Plugin
Reactivate your caching plugin and clear out/purge the cache.
Note: After all these steps then check your website Take a minute to look over your site and visit a pages and posts.