How to Activate a Game Key on Steam, Epic, GOG and More

Activating a game key means entering the code on the platform it was made for so the game is added to your account permanently. Every launcher has a “redeem” or “activate” option tucked into a menu, and the process takes under a minute once you know where it lives. Below is the exact path for each major platform, followed by what to do when a key won’t cooperate.

Before you start: know which platform the key belongs to. A Steam key only works on Steam, an Epic key only on Epic, and so on. If the listing doesn’t say, don’t guess — redeeming on the wrong platform won’t work, and the code stays unused either way.

Steam

1. Open the Steam desktop app and sign in.
2. Click Games in the top menu bar.
3. Choose Activate a Product on Steam.
4. Agree to the terms, enter your key, and confirm.

The game lands in your library immediately. You can also activate in a browser — sign in at store.steampowered.com/account/registerkey and enter the code there, no desktop app needed.

Epic Games Store

1. Open the Epic Games Launcher (or go to the Epic website and sign in).
2. Click your account name in the top corner.
3. Select Redeem Code.
4. Enter the code and confirm.

Epic keys can also be redeemed on the web at the Epic redeem page — handy if you don’t have the launcher installed yet.

GOG

1. Open GOG GALAXY, or sign in on the GOG website.
2. In GALAXY, click the + (add games) button, top-left, and choose Redeem GOG code. On the website, open the menu by your username and pick Redeem code.
3. Enter the code and confirm.

GOG games are DRM-free, so once redeemed they’re yours to download and keep independently of the launcher.

EA app (formerly Origin)

1. Open the EA app and sign in.
2. Open the menu (the three-line icon) and choose Redeem Code.
3. Enter the code and confirm.

Note: some EA games bought as Steam keys still need to be linked to an EA account on first launch — that’s normal, not a fault.

Ubisoft Connect

1. Open Ubisoft Connect and sign in.
2. Open the main menu (top-left) and choose Activate a Key (sometimes labelled “Activate a Product”).
3. Enter the code and confirm.

You can also activate on Ubisoft’s account website if you’d rather not use the desktop client.

Rockstar Games Launcher

1. Open the Rockstar Games Launcher and sign in to your Social Club account.
2. Find the Redeem Code option in the launcher menu (or redeem via your Social Club account page on Rockstar’s website).
3. Enter the code and confirm.

Battle.net

1. Open the Battle.net desktop app and sign in.
2. Open your account menu and choose Redeem a Code — or go to the gift-card/redeem page on the Battle.net account website.
3. Enter the code and confirm.

When a key won’t activate

Most failed activations fall into three buckets, and each has a sensible next step.

• “Invalid key” or “not recognised.” First, check for typos — the letter O vs. zero and I vs. 1 are the usual culprits — and copy-paste rather than type where you can. Then confirm you’re on the right platform: a Steam key will always look invalid on Epic. If both check out and it still fails, the key may be bad; contact the seller with your order details.
• “Already used” or “already redeemed.” The code was activated before — either the seller’s stock was faulty, or, in a scam scenario, someone sold the same key twice. Open a dispute with the seller immediately and include your purchase proof. This is one reason paying by a method with a refund path matters; more on that in how to spot game key scams.
• “Wrong region” or the key redeems but the game is restricted. The key was made for a different region. This isn’t necessarily a scam — it’s a genuine key that simply wasn’t meant for your account’s region. Sometimes the key still redeems but the game stays region-restricted; often it won’t activate at all — either way, the fix is buying the right region, not working around the lock. Read the listing’s region field before buying to avoid this entirely — we cover it in game key regions explained.

If a key fails, don’t buy a second copy from the same seller hoping the first was a fluke. Resolve the first order — or dispute it — before spending again.

Keep proof of activation

One small habit saves a lot of trouble: after a key redeems successfully, take a screenshot of the confirmation screen and keep your order receipt. On the rare occasion a marketplace key gets revoked weeks later — uncommon, but possible with resold keys — that screenshot is your evidence when you ask for a refund. It costs you five seconds and it’s the single most useful thing you can do after activating.

The bottom line

Activation is the same idea everywhere: find the redeem option, enter the code, confirm, done. The two things that actually go wrong are wrong-platform or wrong-region keys — both avoidable by reading the listing before you buy — and dead or double-sold keys, which are why proof of purchase and a refundable payment method matter. When you’re comparing where to buy in the first place, the game catalogue shows official-store and marketplace prices side by side for each title, so you can weigh the cheaper code against the safer one before you ever reach the redeem screen.