1. Create user accounts: Depending on the operating system you are using, create user accounts for each person who will have access to the computer. In Windows, you can do this by going to Start > Settings > Accounts > Family & other users.
2. Assign user permissions: After you have created the user accounts, configure the permissions for each user. You can control what each user is able to do with their account.
3. Monitor user activity: Use a monitoring tool to keep track of what each user is doing on the computer. This can be used to check that no user is abusing their privileges or accessing unauthorized data.
4. Set up security settings: Configure security settings such as password requirements and authentication methods to protect your computer from unauthorized access.
5. Update user information: Regularly update user accounts with any changes related to their contact details and other personal information.
6. Delete user accounts: When a user no longer needs access to the computer, securely delete their account. This will help to ensure that no unauthorized access is possible.