How to Keep Comments Open in WordPress

1. Log in to your website's administration panel.
2. Click on the 'Settings' button, located at the bottom of the list of options along the left edge of the screen.

3. Click on the 'Discussion' link in the expanded 'Settings' menu.
4. Check the box next to 'Allow People to Post Comments on New Articles.'
5. Remove the check in the box next to 'Automatically Close Comments on Articles Older Than (number) Days' to prevent comments for your posts from being disabled in the future.
6. Click the blue 'Save Changes' button at the bottom of the 'Discussion' page to save the changes.