How to activate Microsoft SQL Server 2014 Standard key?

Activating a Microsoft SQL Server 214 Standard key is really simple, just follow these steps:

1. Download MS SQL Server 2014 Standard from here.
2. During setup, choose the Standard version (not evaluation) and enter your serial number. 

The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions:

• My key is Duplicated / Already used 
• My key is Invalid 
• My key is region locked / can't be activated in my country 
• My key activated a different product 
• My key did not activate all of the content