How to save or regenerate permalinks in WordPress?

If you having issue related to your website URL like, home page URL is working but not the inner pages URL, or may be you need to have different URL option provided in WordPress permalinks options for URL, in that case you might need to save/regenerate the permalinks.

For this you can follow the below steps:

1. Login with your admin details.
2. Then go to settings>permalinks.
3. Then as per your preference select the option and click on save button and you are done.
4. If you see some code appearing right below that button then either you have to manually add that code in your WordPress's .htaccess file manually. (Please note if you do not know about this point do not proceed).
5. or you need to give permission to .htaccess file to rewrite (Please note if you do not know about this point do not proceed).

At the time of demonstration:
WordPress Version: 4.8.2