- Games
- Call of Duty 4: Modern Warfare
Games3 shops
Call of Duty 4: Modern Warfare
Lowest on Microsoft Store
£19.62
at Kinguin, marketplace. £16.48 + the £3.14 fee its feed gives; plus fees at checkout.
Shop at Kinguin- Prices checked 7 hours ago
Not ready to buy?
Watch it and we'll email you the morning after it drops, at whichever shop it is, in any edition or form, with a link to buy. We count a shop's fee where its feed gives it.
1 price on Microsoft Store
In stock first, then what you'd pay with any fee the shop's feed gives, then price. Commission never changes the order.
Key shops
Key shops sell keys bought from other markets or from other sellers, so check the region and the shop's refund terms.
KinguinMarketplaceAbout this shopIn stock · Checked 6 hours agoEU · KeyKeys from other sellers on Kinguin£19.62£16.48 + the £3.14 fee its feed givesPlus fees at checkout£19.13 with a code3% off: you save £0.49Shop at KinguinCopy it here and Kinguin opens on this product in a new tab.
Prices, stock and regions as each shop listed them, checked 7 hours ago. Some shops pay us when you buy through these links; that never changes the order. How that works.
The price on Microsoft Store over time
The lowest you'd pay at each, with the fee each shop's feed gives, among offers known to work on a UK account.
Key shops
- Now
- £19.62
- Lowest since 24 Oct
- £16.72
How to redeem it on Microsoft Store
- On your Windows PC, select Start, search for Xbox and open the Xbox app.
- Select your gamerpic, then Settings, and choose Redeem under Redeem a code.
- Enter the 25-character code, select Next and follow the prompts.
Or in a browser: redeem.microsoft.com
Microsoft says games got in one country or region might not work in another, and Xbox asks that your Microsoft account's region match where you live. If you bought the wrong code, Microsoft says to contact the shop.
From Microsoft Store's help pages, read 24 October 2026:
Regions, in the shops' words
- Europe, EU, EU & UK, EMEA
- Sold for Europe, and the shops' pages I checked say these activate on UK accounts. The platforms don't name the UK: Nintendo UK says to use a code meant for Europe, and PlayStation's terms ask for one from your account's country.
No platform defines these words: each is the shop's, so check the region on its page before you buy.
About the game
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Questions
How much is Call of Duty 4: Modern Warfare?
On Steam, from £22.44 at CJS CD Keys (key, no checkout fees); on Microsoft Store, from £19.62 with the £3.14 fee its feed gives at Kinguin (key, plus fees at checkout). Prices checked 14 November 2026.
Can I buy Call of Duty 4: Modern Warfare from an official store?
Not now at the official stores I check: only key shops have it in stock, and each row says which region its key is for.
Will a Call of Duty 4: Modern Warfare key work on a UK account?
The prices I lead with are only from offers their shop says work on a UK account. Steam leaves region limits to each game's publisher. If a key won't activate, the shop you bought it from handles it: Steam doesn't refund keys bought elsewhere. Microsoft says games got in one country or region might not work in another, and Xbox asks that your Microsoft account's region match where you live. If you bought the wrong code, Microsoft says to contact the shop. One listing names no region at a shop whose listings like that vary, so check the region on its page.
How do I redeem Call of Duty 4: Modern Warfare?
A Steam key goes into the Steam app (Games, then Activate a Product on Steam) or Steam's website, and the game stays in your library. Microsoft Store codes are redeemed in the Xbox app on Windows or at redeem.microsoft.com, and the game stays on your Microsoft account.