Try clear your browser cache (in browser settings -> clear...

Try clear your browser cache (in browser settings -> clear cache/data), or use another browser that you never visited https://winedepot.com/ before, or use Chrome Incognito which automatically clears cache every time. It seems that they use cookies to identify first time visitors or returned visitors and the pop-up form only shows for the first time visitors.

Reason: they don't want to show up a pop-up form every time you open their site, it will annoy some people.