Antivirus software BITDEFENDER Internet Security — 12 months license for 3 devices

BITDEFENDER Internet Security BITDEFENDER-INT-SEC 12 months — 3 devices is a Windows-focused security license from BITDEFENDER that protects up to three devices for a 12-month period. The product provides continuous malware protection, network and firewall controls, and privacy safeguards designed for home and small-office use. Identified by MPN BITDEFENDER-INT-SEC, the package includes layered defenses such as anti-phishing, multi-layer ransomware protection, and secure browsing tools.

Advantages

This Internet Security edition delivers real-time threat detection, multi-layer ransomware defense, and an application-level firewall. Privacy tools include webcam and microphone control and secure browsing components, while anti-phishing and anti-fraud filters help reduce exposure to malicious sites and emails. The single 12-month license covers three Windows devices, enabling consistent protection across multiple machines without complex per-device licensing.

Suitable for

• Home users with multiple Windows PCs or laptops
• Small-office environments requiring centralized protection on up to three devices
• Users who need ransomware and anti-phishing defenses
• People wanting basic privacy controls (webcam/microphone protection)

Key specifications

• Brand: BITDEFENDER
• Product: Internet Security BITDEFENDER-INT-SEC
• MPN: BITDEFENDER-INT-SEC
• License term: 12 months
• Devices covered: 3 devices
• Platform: Windows (Internet Security edition focused on Windows systems)
• Main protections: real-time antivirus, anti-phishing, anti-fraud, multi-layer ransomware protection
• Network features: firewall, Wi‑Fi security advisor
• Privacy features: webcam and microphone protection, secure browsing components
• Delivery: digital license key and download instructions

How to use

After purchase, find the digital license key and download link provided by the seller or Bitdefender. On a supported Windows device, download the installer from the official Bitdefender portal, run the setup, and enter the license key when prompted. Allow the product to perform the initial update and a full system scan. Activate the license on up to three devices using the same account or license key following the activation instructions. Configure firewall, privacy, and parental control settings as required and keep automatic updates enabled to maintain protection.

Usage recommendations

Keep Windows and installed applications up to date, enable automatic updates in Bitdefender, and back up important data regularly. Use strong, unique passwords for your Bitdefender account and devices, and enable webcam and microphone protection where appropriate. If cross-platform coverage for macOS, iOS or Android is required, choose a Bitdefender edition that explicitly lists multi-OS support.