| Microsoft Defender Update for Windows Operating System Installation Images | Security Autorun | Windows 11 Installation Assistant | Windows Defender Definition Updates | |
| 1.429.122.0 | 1.3 | 1.4.19041.5003 | October 25, 2025 | |
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| Freeware | Freeware | Freeware | Freeware | Licence |
| FREE | FREE | FREE | FREE | Price |
| 194.00 MB | 0.80 MB | 4.00 MB | 121.00 MB | File size |
| May 26, 2025 | Mar 10, 2010 | Oct 1, 2024 | Oct 25, 2025 | Update |
| 43 | 80 | 45 | 100 | 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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