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平台
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蒸汽
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欧盟
发布日期
- 21 Jun 2012
配送
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即时数字下载
量子难题欧盟 PC Steam CD 密钥
有现货 -
库存有限
100% 退款保证
已评级 太棒了
基于 85,278+ 评论
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Flawless Purchase to Activation Experience.
A reliable experience from purchase to activation. Consistently excellent.
Verified Buyer
-
Consistently Satisfying Digital Purchases.
Efficient purchase and prompt service—I’ve never been disappointed.
Verified Buyer
-
15 Years of Trusted Service.
I've been a customer for 15 years. Unmatched service and reliable key delivery.
Verified Buyer
-
Quick PlayStation Plus Key Delivery.
I received my PlayStation Plus key promptly, and the setup was effortless.
Verified Buyer
-
Smooth Ordering Process for Gamers on the Go.
The ordering process was smooth and uncomplicated. Ideal for busy gamers.
Verified Buyer
-
Seamless Windows 11 Pro Activation.
Windows 11 Pro worked perfectly out of the box—reliable and trustworthy.
Verified Buyer
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100% 退款保证
全天候支持
量子难题欧盟 PC Steam CD 密钥
有现货 -
库存有限
平台
-
蒸汽
区域
-
欧盟
配送
-
即时数字下载
100% 退款保证
-
Flawless Purchase to Activation Experience.
A reliable experience from purchase to activation. Consistently excellent.
Verified Buyer
-
Consistently Satisfying Digital Purchases.
Efficient purchase and prompt service—I’ve never been disappointed.
Verified Buyer
-
15 Years of Trusted Service.
I've been a customer for 15 years. Unmatched service and reliable key delivery.
Verified Buyer
-
Quick PlayStation Plus Key Delivery.
I received my PlayStation Plus key promptly, and the setup was effortless.
Verified Buyer
-
Smooth Ordering Process for Gamers on the Go.
The ordering process was smooth and uncomplicated. Ideal for busy gamers.
Verified Buyer
-
Seamless Windows 11 Pro Activation.
Windows 11 Pro worked perfectly out of the box—reliable and trustworthy.
Verified Buyer
重要通知：
您的位置与该产品的区域不匹配。这可能不适用于您的账户。如果您仍想继续购买，请继续。
在《量子难题》中踏上异想天开的冒险之旅吧！
当一个年幼的孩子在你古怪的叔叔的庄园里下车时，你必须使用跨维移位设备浏览令人费解的谜题。在奇异的维度之间切换，揭开你叔叔失踪的奥秘。每个维度都提出了独特的挑战，这些挑战将考验你在探索Quadwrangle Manor精心设计的房间时解决问题的能力。你准备好迎接这个令人费解的冒险
了吗？系统要求
Windows 要求
- 操作系统：Windows 7 SP1
- 处理器：英特尔酷睿 2 双核 2.2 GHz/AMD 速龙 x2 64 3800+
- 内存：2 GB 内存
- 显卡：GeForce 8800 GT 512 MB /ATI Radeon HD 2900 512 MB
- 硬盘：1.75 GB 高清空间
Steam 激活说明
-
第 1 步：下载 Steam 客户端
前往 store.steampowered.com 下载 STE AM 客户端。
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第 2 步：安装 Steam
点击右上角的 “安装Steam”。
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步骤 3：启动应用程序
安装并启动应用程序，然后使用您的帐户名和密码登录（如果您没有帐户，请创建一个）。
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第 4 步：激活产品
按照以下说明在 Steam 上激活新零售购买：
- 启动 Steam 并登录您的 Steam 账户。
- 单击 “游戏” 菜单。
- 在 Steam 上选择激活产品...
- 按照屏幕上的说明完成该过程。
-
第 5 步：下载您的游戏
成功验证代码后，前往 “我的游戏” 选项卡并开始下载。
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已评级
4.5
出来了
5
基于
85,278+
评论
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Huge savings on genuine software!
Saved a ton on Office 2021. Got my key immediately and it activated without a hitch. EF is the real deal!
by Verified Buyer
Fast delivery and outstanding support
Bought a PS Plus membership, code in seconds. Had a minor issue, support resolved it fast. Very impressed!
by Verified Buyer
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Recommended by a friend, now I’m sold
Doubted a deal this good, but a friend insisted. My Windows 10 Pro key arrived instantly and works perfectly.
by Verified Buyer
Needed a key at 2am, got it instantly
Bought Office 2021 at 2am and got my key immediately. I didn’t expect delivery at that hour. Outstanding!
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Truly worldwide service you can trust
Overseas but still got my code instantly. Xbox Live Gold code redeemed with no region issues. Impressed!
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Got all I needed in one go at EF!
Got Windows 10 Pro & Office 2021 far cheaper than retail. Both keys arrived instantly and activated fine.
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Playing within minutes of purchase
Got a Steam game key cheap. Code came instantly, I was playing within minutes of purchase. Can’t beat that!
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Legit keys at a fraction of the cost
Bought Windows 11 Pro dirt cheap. Key arrived instantly and activated without issues. Truly 100% legit!
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First purchase won me over completely
First purchase, was cautious. Fast delivery and legit PS Plus code won me over. I’ll be a repeat buyer.
by Verified Buyer
Last-minute gifting made easy with EF
Bought an Amazon gift card at a discount. Code arrived in seconds and worked perfectly. A lifesaver!
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Lightning-fast delivery, great deals
Bought an Xbox Game Pass code at an unbeatable price. Arrived in my email within seconds. Beyond satisfied!
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Too good to be true? Nope, it's legit
Windows 11 Pro key seemed too cheap. 80k+ reviews convinced me to try them. Code arrived instantly and worked.
by Verified Buyer
经常问的问题
Why are your prices so low?
We buy in bulk and deliver everything digitally — no packaging, no postage, no middlemen. Just genuine products at unbeatable prices.
Are your codes/keys really legit?
Yes — 100% genuine, sourced from trusted partners. Over 50,000 reviews and customers since 2007 back that up.
How fast will I get my order?
Almost instantly. 99% of orders are delivered for you to download straight away. A quick security check may delay rare cases slightly.
Will anything be sent in the post?
Nope! Everything is delivered digitally. Your code/key will be sent directly to your email and available in your dashboard.
How do I access my code or key?
Log into your account
Go to Your Dashboard (top right)
Click My Orders
Select your order to view your key(s)
Instant access, no waiting around.
Go to Your Dashboard (top right)
Click My Orders
Select your order to view your key(s)
Instant access, no waiting around.
What if my key doesn’t work?
No stress — if you ever have an issue, our support team is here 24/7. We'll either replace the key or issue a refund, fast.
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