Windows 10: Password Recovery after upgrade

I had windows 8.1 single language. I changed my microsoft account password in mobile but not in laptop. After this my laptop didn't recognise my new password. So I logged in using PIN. After few days I downloaded windows 10 ISO file from Microsoft account. I installed it.After installation it asked account password. I entered my passport but it didn't recognise.Now I'm stuck badly.

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hdd password recovery

howdy. if this isnt the right forum please move it.
a friend has a 3 year old hp or compaq tower. they called me to help. they are not able to get into the admin accound, because the password was changed. it was changed by them when a popup told them for security they should change thier password.
after it was changed they could no longer get into the admin account with the password they changed it to, and the computer started sending out emails to everyone on her address list with porn and viagara type adds.
i ran anti virus and we found 20 trogans, virus, ect. everything comes back clean now, but we still cant get into asdmin account to format drive.she doesnt have a vista system disc, just the recovery partition.
1.. is there a way to get the password?

2... if not can i install a new hdd and install from her recovery partition?

3...will i be able to install new hdd and install vist from my disc or is the mb set up to not alow that?

thanks for any help, they are on a limited budget and are true friends to me and i would like to help them. thanks! sam

 

Data recovery software

The Big Useful List Of Free Useful Programs To Use Usually For Free

click the top spoiler and then look down to recovery.

All of the suggestions in the old threads were consolidated into that one.

 

admin password?

You can reset the Admin Password using Windows XP repair; See Here for step by step.

*Toast :toast: