Fill this form with some commonsense and with some memory:
https://support.live.com/eform.aspx?...ion&ct=eformcs
If the customer support person find it valid, you will get response within 24 hours with a temporary reset link in the email address you will provide for the correspondence.
Not all the fields are required.. those fields that are required and you dont know just put none and at zip code if you dont remember then put 00000.
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the thing is even if you recover, even if you change the password. If you think your pc is hacked and you were trying the right passwords before then you should first scan your pc for the trojan horses as mostly people just use its help to gain the control on a pc.
use antivirus and clean them.