[D2 Classic] Installation not working, at all, help me please

Hello Everyone, i recently buyed a Diablo 2 classic on the Blizzard store.
I activate the key, i download the Diablo 2 installer from the site, and when the installation is finished, its loads up the pop up window where it says Play Diablo 2, exit, installer, etc…

But when i trie to install the game nothing happen, it just launch a sound effect and nothing else happen

I tried lauching the installer in administrator : Nothing
I temporaly disable my anti-virus : nothing

Right now the only thing i have managed to do is lose 10€ and 3 hours of time roaming the website, finding nothing

Please help me