How to change main pages like: about us, contact us, privacy, etc. content in osCommerce?

1. We'll change only about us page content, because others can be changed in an exactly same way.
2. In about.php will be located default text of course.
3. Go to yourdomain.com:2082 and login with your username and password.
4. Open file manager. Choose web root to go to the main directory.
5. about.php file should be located there.
6. You can modify content of this file anytime you want.
7. After you change it click Save changes in top right corner and thats all.
8. At first results may not appear, but after you refresh about.php page it definitely will!