Protocol

Where is the Protocol key cheapest?

The cheapest Protocol key that activates in the EU currently costs €8.88 at CJS CD Keys. Keyfinder compares 9 offers from 5 shops for this price. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What does the Protocol key cost on each platform?

The cheapest key per platform right now: PC €8.88 at CJS CD Keys and Xbox €2.67 at CJS CD Keys.

What was the lowest Protocol key price in the last 32 days?

€6.96 on 3 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €9.84 on 31 Oct 2026; today the cheapest key costs €8.88.

Which Protocol keys activate in the EU?

8 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Xbox and Steam.

What a game key is and how to read an offer

How do I activate the Protocol key?

The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.

How to redeem a Steam key

Is it safe to buy a Protocol key from CJS CD Keys?

Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our CJS CD Keys check covers who runs the shop, its fees and its regions.

Is CJS CD Keys legit? Read our check