Download the from the official Blizzard website. Select Diablo III from your Games list and click Install .
To download and play in English online, the process varies slightly by platform but generally centers around the Battle.net client for PC or the respective console storefront for PlayStation, Xbox, and Nintendo Switch. How to Download and Install PC/Mac (Windows & macOS): Create or log in to a Battle.net account. download-diablo-3-english-online
The Eternal Collection can be downloaded via the Nintendo eShop . Critical Game Requirements Download the from the official Blizzard website