My students are getting a new interface when they create a Keil Studio account. How can they switch to the classic interface?

I instruct them to follow this link, and click on Keil Studio Cloud to set up their account:

https://www.keil.arm.com/

Some are able to do this and get the IDE interface I am used to:

For others the interface looks like vscode. How can I instruct them to change  to the classic version?