Step 1: Download SQL Server installer from the Microsoft website.
Step 2: Run the downloaded installer.
Step 3: Choose the installation type. For example, "New SQL Server stand-alone installation or add features to an existing installation."
Step 4: Accept the license terms and click on the "Next" button.
Step 5: Select the necessary components you want to install, such as database engine, SQL Server Management Studio, etc.
Step 6: Choose the installation location and click on "Next."
Step 7: Specify the SQL Server instance name, or use the default instance, and select the instance features.
Step 8: Configure the server authentication mode (Windows Authentication or Mixed Mode).
Step 9: Set the SQL Server Administrator password.
Step 10: Choose the appropriate services and their startup types.
Step 11: Configure the additional features if needed.
Step 12: Review the installation summary and click on "Install."
Step 13: Wait for the installation to complete.
Step 14: Once the installation is done, you can connect to the SQL Server using SQL Server Management Studio or any other client tool.