Delta definition updates - Windows Defender now downloads smaller delta definition updates when possible which reduces the time required to download and install definition updates.Please be sure to use WindowsDefenderX64.msi for 64-bit platforms. Support for 64-bit platforms and accessibility - Windows Defender supports accessibility and 64-bit platforms.This ensures that all users on a computer are protected by Windows Defender. Protection for all users – Windows Defender can be run by all users on a computer with or without administrative privileges.Real Time Protection has also been enhanced to better monitor key points in the operating system for changes. Improved detection and removal – Based on a new engine, Windows Defender is able to detect and remove more threats posed by spyware and other potentially unwanted software.A redesigned and simplified user interface – Incorporating feedback from our customers, the Windows Defender UI has been redesigned to make common tasks easier to accomplish with a warning system that adapts alert levels according to the severity of a threat so that it is less intrusive overall, but still ensures the user does not miss the most urgent alerts.V1.Windows Defender features Real-Time Protection, a monitoring system that recommends actions against spyware when it's detected, and a new streamlined interface that minimizes interruptions and helps you stay productive.

Real-time indicator of harmful sites and website status.Protects against phishing sites and socially engineered malware sites.

Continuously updated list of reported harmful sites.

If the malicious link matches one on the list, Microsoft Defender Browser Protection will show a red warning screen letting you know that the web page you are about to visit is known to be harmful, giving you a clear path back to safety with one click.

If you click a malicious link in an email or navigate to a site designed to trick you into disclosing financial, personal or other sensitive information, or a website that hosts malware, Microsoft Defender Browser Protection will check it against a constantly updated list of malicious URLs known to Microsoft. The Microsoft Defender Browser Protection extension helps protect you against online threats, such as links in phishing emails and websites designed to trick you into downloading and installing malicious software that can harm your computer. Currently supported region(s): United States Protect yourself against online threats, like phishing and malicious websites, with real-time protection from Microsoft.

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