Personal information is very important as it is indispensable for recovering your account. This article shows you how to change your personal information in Hotmail.
Step 1: Go to Hotmail and log into your account.
Step 2: Click icon your profile picture and select Edit profile.
Step 3: Click Edit name.
Step 4: Enter a new First name and Last name then click Save.
You can read this article for a more specific guide: How to change Hotmail username.
Step 1: Go to your Hotmail account.
Step 2: Click your profile image and select Edit profile.
Step 3: Click Change picture or Add a picture if you haven't added any profile picture yet.
Step 4: Click New picture or Add a picture.
Step 5: Select an image from your computer and click Open.
Step 6: Click to move and scale the image.
Step 7: Click Save.
You can read this article for more details: How to change your profile picture in Hotmail
Step 1: Go to your Hotmail (Outlook) account.
Step 2: Click on your profile picture and select Edit profile.
Step 3: Click Edit date of birth.
Step 4: There you can change
Step 5: You will be taken to your Personal info page where you can change:
Your birthdate
Gender
Country/Region
State
Zip code
Timezone
Step 6: Click Save.