Default Windows Accounts created during OS installation.
These account cannot be deleted, disabled or modified.
Since they are local to the computer on which they are installed, they are also Local User Accounts.
Types
Administrator: Full control of the computer, can manage all users and settings.Guest: Limited access for temporary or anonymous users (usually disabled).DefaultAccount: Used by Windows for certain system services such as Windows Update.WDAGUtilityAccount: Used by Windows Defender Application Guard (sandbox) for isolated processes.- Local System Account
- Local Service Account
- Network Service Account
Groups
Built-in\Administrators: Group containing all local Administrator accounts on the machine.Built-in\Users: Group containing all standard local user accounts on the machine.