Choose to download the ISO file, Download Location, click Download
Waiting for the download to complete
Once the download is complete, right-click download image and select Mount
Double-click the setup.exe programme in the pop-up page
Waiting to enter the installation screen
Click to Installation
Choose New SQL Server standalone installation or add features to an existing installation
Select the installation version Evaluation, Developer and click Next
Choose to accept the terms of the licence and click Next
Deselect Check for updates (checking for updates is not recommended, it is time consuming) and click Next
Uncheck Azure Extension and click Next
Function selection, it is recommended to select these two basic functions, change the instance root directory, click Next
Instance configuration, here usually choose the default instance, click Next
Service account configuration, here you can choose the SQL Server agent and engine account, usually keep the default and can be changed after the installation
Sorting rules settings, generally keep the default, if you need to modify click Custom, select the specified sorting rules (Note: database migration and high availability to maintain the same sorting rules, sorting rules are not easy to modify after installation), click Next!
Server Configuration. Select mixed mode, set sa password (sa is the super administrator of sql server), click add current user
Data directory, here you can change the default location of the user database files, you can keep the default, it is recommended to create a separate directory for distribution
TempDB (system temporary database, restart the database automatically updated), you can set the initial number of TempDB data files (recommended 4-8, do not exceed 8) and TempDB data file directory, it is recommended to allocate a separate disk and directory, you can keep the default, click Next!