Hi
Windows Authentication use your window account for connecting to your SQL Server database.
Have you install your SQL Server with Windows authentication only? Or Windows authentication + SQL account?
Your database is linked to an Active Directory, or just install with local accounts?
Your login is depending on the choices you've made.
If you install SQL Server on your personal machine, and your personal account is "master" on this database, just click windows authentication and it works.
It is the same problem if you install SQL Server, link this to AD and set you as administrator.
SQL Server supports three types of logins:
A local Windows user account or trusted domain account. SQL Server relies on Windows to authenticate the Windows user accounts.
Windows group. Granting access to a Windows group grants access to all Windows user logins that are members of the group.
SQL Server login. SQL Server stores both the username and a hash of the password in the master database, by using internal authentication methods to verify login attempts.
Source documentation:
https://learn.microsoft.com/en-us/dotnet/framework/data/adonet/sql/authentication-in-sql-server