How to add a new user to M365
If you want to add an employee to your business subscription, you need to create a user account for them in the admin center, and then purchase and assign a subscription license to that user.
- Log in to the Microsoft 365 admin center with your admin credentials.
- On the Users tab, select Add user.

3. Fill in the user information for the person you want to add.4. Add up to 5 email addresses to send the new sign-in information to.5. Select Buy license and add user.
After you add a user, you will receive an email with the person's user ID and password, so they can sign in to Microsoft 365.
You can find this Info direct on the Microsoft Website: https://support.microsoft.com/en-us/office/add-more-users-and-licenses-a8ce420b-7164-4b47-9f8c-4231972eec5f