How to change the Windows authentication method of sqlserver to the authentication method of sqlserver

When installing sqlserver, the security mode selects Windows verification. However, during development, you need to connect to the database and use sqlserver for authentication. How can this problem be modified?

First, use Windows verification to log on first,

After entering, right-click (local) and select Properties-security: Change the Server Authentication Mode to "SQL Server and Windows Authentication Mode", and click "OK ".

Next, set a password for SA: Double-click SA

In the displayed window, modify the SA password:

Then restart the SQL service. Log On with SA.

To restart the SQL Server service, follow these steps:

Open Control Panel ---- Administrative Tools ----- services ------ find sqlserver service,

Stop the service and then start it.