How to download a .vsix file? Was this option removed?

https://preview.redd.it/zzurxl18xrde1.png?width=1497&format=png&auto=webp&s=5621e8e83aa71b049d471f729c6546503f67024e

https://preview.redd.it/u84qygnyxrde1.png?width=1409&format=png&auto=webp&s=2da7b4188f9684f822b4fb8e52d430044f1cd92a

https://marketplace.visualstudio.com/items?itemName=ms-vscode.cpptools

I remember be able to download the vsix files and install extension manually, what happened?