Welcome to Microsoft Q&A!
You can visit this website to get the key of Visual Studio 2012 Express.
You can also use VS Community 2019.
If your issue still persists, feel free to let me know.
If the answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread
May I know whether your issue has been solved or not? If not, please share it in here.