You can redeem a Blizzard (Battle.net) Gift Card through the Battle.net website or Battle.net app.

Method 1: Redeem via Battle.net Website (Recommended)

1. Go to the Battle.net Code Redemption Page.
2. Log in to your Blizzard (Battle.net) account.
3. Enter your gift card code and click "Redeem".
4. The funds will be added to your Battle.net Wallet Balance.
5. You can now use it to buy games, in-game content, or subscriptions.

Method 2: Redeem via Battle.net App

1. Open the Battle.net Launcher (Download from here).
2. Log in to your Blizzard account.
3. Click on your profile icon (top-right) → "Redeem a Code".
4. Enter your gift card code and confirm.
5. The balance will be added to your Battle.net Wallet.

Method 3: Redeem via In-Game Store (For Blizzard Games)

1. Open your Blizzard game (e.g., World of Warcraft, Overwatch, Diablo, Hearthstone).
2. Go to the in-game store.
3. Select "Redeem a Code" (if available).
4. Enter your Battle.net gift card code and confirm.

Important Notes:

• Ensure you redeem the card on the correct Battle.net account.
• Blizzard Gift Cards are region-locked, so check that your card matches your account region.