If you want to change your personal information in a social network "Vkontakte", first of all, log in and log on to your page. At the top left of the page next to the menu item "My page" click on the option "edited by". You will see the General tab with your personal data. Change the fields to remove obsolete information and typing a new one. At the bottom of the page, click the "Save" button. If necessary, open the tabs "Contacts", "Interests", "Education", etc. and replace the information there. Do not forget each time after correction of the data save the changes before you moved to the next tab. After that information about you on your page "Vkontakte" will be changed.
The social network "Classmates" you can also change personal information. Login to your account and open your page. In the middle of the window you will see your name. Click on it with the left mouse button. On the right side of the page next to "About me" select function "change". In the "Edit personal details" you can amend the name and to correct an error in the date of birth, specify your gender, place of birth and residence. After making all changes, click "Save". For personal information, you can find friends and acquaintances to see your page in the "Classmates". To change data on place of work and study, and also to edit a list of your Hobbies and interests, under the link "About me" click "Next", enter the new information in the appropriate fields and click on "Join now" or "Add".
To change personal information on Facebook can also only an authorized user. On the website enter your username and password and log on your page in the social network. At the top left of the page, click "Edit profile". In the opened window you can change the data about education, work, marital status, date of birth, etc. to correct information, move the cursor to the desired field and click on the option "Edit". Enter new information and click "Save changes". To change the name, at the end of the top row on your page click on the arrow icon. In the opened list select the menu item "Settings" and tap on it with the left mouse button. Click on "Edit" to the right of column "Name". Write the desired name and click "Save changes".