Activating a MS SQL Server 2019 key is really simple, just follow these steps:
- Go to the link and download the file.
- Run the file and install the program.
- Once the installation process is complete, browse to C:\SQL2019\Express_ENU and select SETUP
- Click on Maintenance and Click on Edition Upgrade.
- Enter the Product Key to complete the activation process.
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: