Minimum System Requirements:
• Operating System: Windows 10, 8.1, 8, 7 SP1, Vista SP2
• Processor: 1 GHz or higher processor
• Memory: 1 GB RAM
• Hard disk Space: 150 MB free disk space
• Screen resolution: 1024 x 768 pixels
• Internet: Internet access is required to download, install and use Windows Defender
Recommended System Requirements:
• Operating System: Windows 10, 8.1, 8, 7 SP1, Vista SP2
• Processor: 2GHz processor or higher
• Memory: 2GB RAM or higher
• Hard disk Space: 200 MB or more of available space
• Screen resolution: 1280 x 800 pixels
• Internet: Internet access is required to download, install and use Windows Defender
Additional Requirements for Optimal Performance:
• Operating System: Windows 10, 8.1, 8, 7 SP1, Vista SP2
• Processor: 2GHz processor or higher
• Memory: 4GB RAM or higher
• Hard disk Space: 500 MB or more of available space
• Screen resolution: 1440 x 900 pixels
• Internet: High speed internet connection is recommended to download, install, and use Windows Defender