Step::1 First of all you must know the theme which is currently activated in your website.
So for that login to your WordPress dashboard and go to Appearance tool and choose the Theme option
Step::2 From here you can know the Current active theme
Step::3 Now that you know the theme, login to your cPanel and click on File Manager section
Step::4 Go to public_html
Step::5 Go to the WordPress installation directory and open wp-content folder
Step::6 Now go inside themes folder
Step::7 Next go to the active theme(for ex. eduexpert) directory
Step::8 Find functions.php file and right click over the file and choose the Edit option
Add the following code snippet to the functions.php.
add_filter( 'auth_cookie_expiration', 'stay_logged_in_for_1_year' ); function stay_logged_in_for_1_year( $expire ) { return 31556926; // 1 year in seconds }
Step::9 You can even customize the time and update accordingly if you want to be longer or shorter.
Step::10 Finally click on Save Changes button.
Visit our Blog for more details. You can also watch the video here