1. Click the Skype menu >> Profile >> Edit Your Profile.
2. The Profile Window will appear. Point the cursor to the information you want to update then click. Then just replace to existing details with the updated or correct ones.
3. Click the Check icon when done.
4. You can also make some or all of your profile information Public – or available to all Skype users, or make them visible to your contacts only.
5. Then you can check what information is visible to your contacts and non-contact by clicking Public Profile or Contacts Only tab.
6. Click X when finished.