Delete User Account
User account type
click the start button
Start menu → Windows settings
Windows Settings → Accounts
Account verification (administrator)
Delete account
Deleting this user’s account will remove all of this user’s data such as desktop items, downloads, documents, photos, music, and other files from this PC. If this data has not yet been backed up or saved to another location (such as another PC), the data will be lost.
Delete account and data
Windows 10 - Create User Account
Windows 10 - Create New Local Account Windows 10 - Create New Microsoft Account