Battle.net Setup Guide — Install Diablo 4 in 2026

How to set up Battle.net and download Diablo 4. Complete guide for new and returning players.

Step 1: Create Battle.net Account

1. Go to battle.net/account/creation
2. Enter email + password
3. Verify email

Step 2: Download Battle.net Launcher

1. Go to blizzard.com/download
2. Run installer
3. Login with Battle.net account

Step 3: Install Diablo 4

1. Find Diablo 4 in the launcher
2. Click Install (free for first weekend for new accounts)
3. Choose install location (SSD recommended)

System Requirements

Common Issues

• Login error BLZBNTBCT80000001 — clear cache, restart launcher
• Stuck on "Connecting" — flush DNS (`ipconfig /flushdns`)
• Game crashes on launch — update GPU drivers