Windows 10: revoke original admin rights

In setting up a laptop for my daughter i foolishly made her the primary user and gave her admin rights. I have since added myself and given myself admin rights as well, but can find no way of changing her back down to standard user. when i am logged in as me, she doesnt appear under user accounts. when logged in as her, I can see my account and can modify it, but see no way of self modifying her account. Is there a way to revoke the admin rights of the original admin once a new admin is created ? Windows 10.

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Granted system32 Admin to access. How to revoke?

System32 is not actually restricted for read access, the USERS group has Read & execute, List folder contents, and Read access by default. Anyone, standard user or admin can see its contents. Its a few of its sub-folders that are more restricted.

 

admin rights keep disappearing!?!!

Hi guys,

I am actually having a problem at work that our IT department hasn't been able to figure out. I am supposed to be a member of the admin group. We are on a domain. The problem is that everytime I reboot the computer I loose my admin rights(no longer in the administrator group) and just become a normal user again. I have tried googling this and didn't get to many results.
I believe IT is just giving me local admin rights, not admin rights for the whole domain.

Any suggestions?

EDIT: It is on Windows XP Pro.

 

Granted system32 Admin to access. How to revoke?

I'm just going to leave them as is now. I can't remember what other one prompted me, so I don't want to go changing permissions on ones I shouldn't. I know config did, and then one other after. I went this deep: