Bitdefender Internet Security 2015 builds on technology awarded by AV-TEST Best Protection for three years straight, and Best Performance for system speed. It is exceptionally easy to use. It detects when you are working, playing, or watching movies, and prevents apps from slowing down your system. OneClick Optimizer frees up hard disk space. Besides unrivalled antimalware protection, Bitdefender Internet Security 2015 offers network protection by preventing unauthorised access to your private data with a two-way firewall. Additionally, the state-of-the-art antispam technology blocks all unwanted e-mails, and keeps your children safe by helping you monitor their activities with the complete yet subtle Parental Control.

Best Protection for 3 Straight Years. Best Antivirus of 2014 - PC MAG.

Imperceptible. Fastest System Speed. Confirmed by AV-TEST.

Prevent Unauthorized Access to your Private Data. Two-Way Firewall.

Keep your Kids Safe. Monitor Their Activity. Discrete Parental Control.

Shield your Online Privacy. Protect your Personal Identity.

"Bitdefender is this year's winner." - PC MAG, Jan 2014, Lead Security Analyst Neil J. Rubenking

Unparalleled Security

• Bank Online Without Worries - Make online transactions from a unique, dedicated browser that secured your accounts from fraud. Bitdefender Safepay can now also automatically fill credit card details in billing fields.

• Two-way Firewall - The two-way firewall continuously monitors your Internet connections and prevents unauthorized access, even over a Wi-Fi network.

• Cloud Antispam - Stops unwanted e-mail from reaching your Inbox, now fully based on Cloud technology.

• Active Virus Control - Active Virus Control is a proactive, dynamic detection technology. It monitors processes' behavior in real time, as they are running, and tags suspicious activities.

• Rescue Mode - If e-threats, such as rootkits, cannot be removed from within the Windows operating system, the computer is re-booted in Rescue mode - a trusted environment which is then used for cleanup and restoration.

• New! Quick Vulnerability Scanner - With a single click, the vulnerability scanner automatically warns of outdated and vulnerable software, missing Windows security patches, and potentially unsafe system settings.

• Enhanced! Security Report - Displays your overall security status for the past week, as well as the total issues fixed by Bitdefender since installation. Includes freed up space, optimized apps and remaining available storage.

• Enhanced! Security Widget - Enables you to keep track of all of your security-related tasks, plus lets you quickly and easily drag-and-drop files for quick scanning for viruses - right from your desktop!

• Online Dashboard - MyBitdefender offers quick online access to your local Bitdefender software, allowing you to run scans, check security statuses for each device, extend your services or easily access support.

• Remote Management - Remotely scan and fix security issues on all of your Bitdefender-protected devices from anywhere, using MyBitdefender.

• USB Immunizer - Immunizes any Flash Drive from viruses when they're connected to your computer so you never worry again about USBs infecting you or your friends.

Absolute Silence

Save time and avoid all hassles - the Autopilot makes the security-related decisions for you!

• New! Bitdefender Profiles - Bitdefender automatically detects when you Work, Play or Watch movies, and temporarily prevents apps from popping up or slowing you down.

• Enhanced! Bitdefender Autopilot - Provides a hassle-free experience by making optimal security-related decisions with no input from you. This means no pop-ups, no alerts, nothing to configure.

• Safe Social Networking - You trust your online friends. But do you trust their computers? Protect yourself, and your friends, from e-threats that attempt to exploit the trust between you.

Social Network Protection

Bitdefender Safego filters social-networking specific e-threats by scanning links you receive from your Facebook friends, monitors your privacy settings, and much more!

• Fraud warnings. Secure browsing. - Tells you if a link is safe even before you click it in Google, Yahoo and Bing search results. Furthermore, it blocks access to infected links that you have already clicked.

Total Privacy

Threats to your privacy keep diversifying. Your e-mail, your messaging, your entire Web presence and activities can be targeted. Bitdefender addresses them all, protecting your data with a range of specialized modules and functions.

• New! Pay Online in One Step - Bitdefender Wallet is a secure tool that speeds up online shopping by autocompleting credit card details within payment fields. Apart from purchase details, Wallet can also safely organize credentials for favorite websites, messaging applications, or frequently-used WI-FI networks.

• Enhanced! Parental Control - Blocks inappropriate content, restricts Web access between certain hours, and helps you remotely monitor your children's online activity - even on Facebook!

• Personal Data Filter - Prevents critical data (such as anything even resembling your social security number) from ever leaving your computer.

• Antiphishing - Analyzes and blocks websites that support various scams or credit card phishing attempts.

• File Shredder - Ensures that no traces of your deleted sensitive files remain on your PC.

Full Speed

• Bitdefender Photon - Innovative, exclusive technology that visibly improves speed and performance in a matter of hours by gradually molding to your PC.

• New! Tune-Up. With OneClick Optimizer - Your antivirus isn't slowing down your computer. So what is? Bitdefender OneClick Optimizer is a new feature in Bitdefender 2015 that automatically speeds up your system and frees up disk space by running every known optimization. All in one click.

Download and installation instructions:

1: Go to http://www.bitdefender.co.uk/support/how-to-install-bitdefender-2015-on-windows-10-with-the-offline-installation-kit-1452.html and download the compatible version of Bitdefender Internet Security 2015.

2: Install Bitdefender and click on "account info".

3: Click "Activate Code" and copy and paste the code sent to your email after purchase here.

4: Click "Submit" and you will have activated 1 year of Bitdefender Internet Security on this PC!

System Requirements

Windows 7, Windows 8, Windows 8.1 or Windows 10,
1 GB available free hard disk space (at least 800 MB on the system drive)
1.6 GHz processor
1 GB of memory (RAM)