The steps to install SQL Server 2014 are as follows:
First, find the SQL Server installation package, unzip the installation package, double-click "setup.exe", and click Install. 
The second step is to select "New SQL Server stand-alone installation or add features to existing installations".
1. Choice: Enter the product key, click "Next"
2. "I accept the license terms" → "Next"
3. Keep clicking "Next" until the function selection module
4. Function selection: Click "Select All". At this step, please note that the shared function directory and the shared function directory (x86) should be installed in different locations. Click "Next"
5. Example configuration: directly click Next.
6. Server configuration: select "NT Server\SQLSERVE.." for the account name. Click Next.
7. Database engine configuration: select "Windows authentication mode". Click "Add current user", and then click "Next".
8. Reporting Servers configuration: select "Install only" and click "Next".
9. Distributed Replay controller: "Add current user" → "Next".
10. Distributed Replay client: installation working directory and result directory. Select the directory and proceed to the next step.
11. Click "Install", the "Instruction to Restart Computer" will pop up, click "OK".
12. Click the "Start" icon, find SQL Server 2014 Managem.." and click Run.
Finally, SQL Server 2014 is installed!