| Microsoft Defender Update for Windows Operating System Installation Images | Security Autorun | Windows 11 Installation Assistant | Windows Defender Definition Updates | |
| 1.441.677.0 | 1.3 | 1.4.19041.5003 | January 10, 2026 | |
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| Freeware | Freeware | Freeware | Freeware | Licence |
| FREE | FREE | FREE | FREE | Price |
| 218.00 MB | 0.80 MB | 4.00 MB | 202.00 MB | File size |
| Dec 15, 2025 | Mar 10, 2010 | Oct 1, 2024 | Jan 10, 2026 | Update |
| 53 | 94 | 57 | 115 | Downloads |
| Windows 11, Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows 10 32/64 bit | Windows 2000, Windows 2003, Windows XP, Windows Vista, Windows 7 | Windows 10 64 bit | Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit, Windows Vista | OS |
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