New
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Hello mate,
Your friend could enable Interactive logon: Don't display last signed-in below to see "Other user" on the sign-in screen requiring users to enter both a user name and password.
Do Not Display Last Signed-in User Name on Windows 10 Sign-in
Hello @Spartan,
I found this for you which might shed some light on it => Make 10 look like XP?
BEFORE you do ANYTHING though, create aSystem Image
, just in case.
I hope this helps.