Real Site機能は、銀行やショッピングサイトの不正なコピーにリダイレクトするDNSハイジャック攻撃から保護します。ルーターのDNS設定が侵害されても、Avastは独自の暗号化接続を介してDNS応答を検証し、正規のウェブサイトにアクセスできるようにします。Wi-Fi Inspectorはネットワークの脆弱性（弱いパスワード、未パッチのファームウェア、開放ポート）をスキャンし、ネットワーク上の危険なデバイスを警告します。
What are the system requirements for Avast Ultimate?
Avast Ultimate requires Windows 10/11, at least 4 GB of RAM (though 8 GB is recommended), and 2 GB of free storage space. An internet connection is needed for download and activation.
What kind of license do I get with Avast Ultimate from Lizensa?
Your Avast Ultimate license is a perpetual (lifetime) license — buy once and use forever on one device. This means no recurring fees or subscriptions. You'll also receive free updates and security patches from Lizensa.
What's included with my Avast Ultimate purchase from Lizensa?
Your purchase includes a genuine Avast Ultimate license key, a download link from the official Avast website, step-by-step activation instructions, a VAT invoice (EU), and lifetime access to the key in your Lizensa account. All keys are authentic and backed by our 14-day money-back guarantee.
Why is Avast Ultimate so much cheaper on Lizensa?
At just €29.90, our Avast Ultimate license is up to 86% cheaper than retail because we buy in wholesale volume from European distribution channels and pass the savings directly to you. You get the exact same genuine product — just without the retail markup.
How do I install and activate Avast Ultimate from Lizensa?
After purchase, you'll receive a download link and license key by email. Download the software from the official Avast website, enter your key during installation or in the activation menu, and follow the guided setup. Full instructions are included with your purchase.
Is Avast Ultimate compatible with my operating system?
Avast Ultimate is compatible with current versions of Windows and macOS. Please check the system requirements section on this page before purchasing. Most modern PCs and Macs meet or exceed the minimum requirements.
How quickly will I receive my license key from Lizensa?
Your license key is delivered instantly via email after payment is confirmed — typically within 30 seconds. You'll also find it in your Lizensa account dashboard under My Library.
Are Lizensa license keys genuine and legal in the EU?
Yes. Our licenses are sourced through European distribution channels and come with a VAT invoice. The EU Court of Justice (UsedSoft v Oracle, C-128/11) has confirmed that software license resale is legal within the European Economic Area.
What is Lizensa's refund policy?
We offer a 14-day money-back guarantee on all licenses. If you encounter any issues with activation or the product doesn't meet your needs, contact our support team for a full refund — no questions asked.
productDetail.faq.activation.question
After purchase, you'll receive an email with your license key and step-by-step activation instructions. Simply enter the key during installation or in your system's activation settings. Most activations take under 2 minutes.
Do I get support with my Lizensa purchase?
Absolutely. Our multilingual support team responds within one hour during business hours. We can assist with installation, activation troubleshooting, and license questions via email in English, German, French, Spanish, Italian, Dutch, and Polish.
