To join a computer that already has Windows 10 installed, follow the steps below.
Open Settings
Click Accounts
Click Access work or school and press Connect.
Click Join this device to Azure Active Directory
Enter your email address and press Next
To join a computer that already has Windows 10 installed, follow the steps below.
Open Settings
Click Accounts
Click Access work or school and press Connect.
Click Join this device to Azure Active Directory
Enter your email address and press Next