Method 1: Add Windows 10 to Domain from System Properties
- Press the Windows key + R to open the Run command box. Type sysdm.cpl and hit Enter to launch System Properties.

- Under the Computer Name tab, click on the Change… button.

- Select Domain, type the domain name of the AD server you want to join and click OK.

- Type the credentials of a domain user and click OK.

- Finally restart your computer and you can then sign in to Windows 10 with your domain account.