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Operating SystemDiscover the best collection of Windows operating systems at DL4ALL.org. From older versions to the latest updates, our library offers reliable and secure downloads to enhance your PC experience. Whether you're upgrading your computer or performing a fresh installation, we provide tools for system installation, updates, and optimization. Explore our categories to find the perfect Windows OS tailored to your needs. Every Windows operating system available on our site is thoroughly tested for safety, performance, and compatibility. Use our advanced search to quickly locate the software you need. Upgrade your PC today with trusted Windows operating systems from DL4ALL.org. Start your download journey now!
 Windows 10 Pro 21H1 10.0.19043.1165 (x86/x64) With Office 2019 Pro Plus Preactivated Multilingual August 2021 Windows (x86/x64) | Languages:Arabic,English,German,Greek,French,Spanish,Italian,Portuguese-Portuguese,Portuguese-Brazil,Turkish,Bulgarian | File Size: 8.85 GB Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. It is the successor to Windows 8.1, and was released to manufacturing on July 15, 2015, and to retail on July 29, 2015. Windows 10 receives new releases on an ongoing basis, which are available at no additional cost to users. Devices in enterprise environments can receive these updates at a slower pace, or use long-term support milestones that only receive critical updates, such as security patches, over their ten-year lifespan of extended support.
 Windows 11 Pro Build 22000.132 Non-TPM 2.0 Compliant x64 En-US Activated August 2021 Windows x64 | English | File Size: 3.84 GB At a time when the PC is playing a more central role in our lives, Windows 11 is designed to bring you closer to what you love. This is the latest version of Windows OS releases, with new interface and other new features like new Microsoft Store, a new personalized feed powered by AI and best-in-class browser performance from Microsoft Edge, Chat from Microsoft Teams integrated in the taskbar and many more!
 Windows 7 SP1 X64 Ultimate 3in1 OEM MULTi-4 August 2021 [ LANGUAGES ] * ENGLISH [US] * ESTONIAN * CROATIAN * LATVIAN [ RELEASE INFO ] * File: WIN7X64.MULTi4.AUG2021.iso * Size: 4,82GB * Format: Bootable ISO * CRC32: da245445 * MD5: 1c6a63fa79f8dfa737ddf66ed0be1b5a * SHA-1: 0c19501439a2c29cc8fac767790884ff3d01dee9 Windows 7 SP1 X64 Ultimate 3in1 OEM NORDiC August 2021 [ LANGUAGES ] * DANISH * FINNISH * NORWEGIAN * SWEDISH [ RELEASE INFO ] * File: WIN7X64.NORDiC.AUG2021.iso * Size: 4,73GB * Format: Bootable ISO * CRC32: 0b448925 * MD5: 6e0ba8cf9098e90fb51998f9f5a70a22 * SHA-1: 33fa714555126e277dd6fa664fb44329adf99b9b
Windows 7 SP1 X64 Ultimate 3in1 OEM MULTi-5 August 2021 [ LANGUAGES ] * GERMAN * ENGLISH [US] * SPANISH * FRENCH * SLOVENIAN [ RELEASE INFO ] * File: WIN7X64.MULTi5.AUG2021.iso * Size: 5,18GB * Format: Bootable ISO * CRC32: 62cfd88e * MD5: 4937884c7bebecdc15cec85945768d6a * SHA-1: 6a2ff910ca58a3a5d45791ed1eacae3fadcdc3b6
Windows 7 SP1 X64 Ultimate 3in1 OEM MULTi-7 August 2021 [ LANGUAGES ] * ARABIC * BRAZILIAN * ENGLISH [US] * POLISH * PORTUGUESE * RUSSIAN * UKRANIAN [ RELEASE INFO ] * File: WIN7X64.MULTi7.AUG2021.iso * Size: 5,58GB * Format: Bootable ISO * CRC32: 44b796d3 * MD5: 596472836cc3ef07d0e0e691621561ee * SHA-1: 64b2aa62a79349e67658e497f6c3bfff02af6f47
Windows 7 SP1 X64 Ultimate 3in1 OEM MULTi-6 August 2021 [ LANGUAGES ] * DUTCH * ENGLISH [US] * GREEK * HUNGARIAN * ITALIAN * TURKISH [ RELEASE INFO ] * File: WIN7X64.MULTi6.AUG2021.iso * Size: 5,09GB * Format: Bootable ISO * CRC32: fd334391 * MD5: fec2f78706d4fd7b5f379c42bc9cea73 * SHA-1: 17e5dad0a2a77060aadf7d6a2515c49149797b6e
 Windows 10 Enterprise 21H1 10.0.19043.1165 Multilingual Preactivated August 2021 Windows (x86/x64) | Languages:Arabic,English,German,Greek,French,Spanish,Italian,Portuguese-Portuguese,Portuguese-Brazil,Turkish,Bulgarian | File Size: 6.15 GB Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. It is the successor to Windows 8.1, and was released to manufacturing on July 15, 2015, and to retail on July 29, 2015. Windows 10 receives new releases on an ongoing basis, which are available at no additional cost to users. Devices in enterprise environments can receive these updates at a slower pace, or use long-term support milestones that only receive critical updates, such as security patches, over their ten-year lifespan of extended support.
 Windows x64 | English | File Size: 3.84 GB At a time when the PC is playing a more central role in our lives, Windows 11 is designed to bring you closer to what you love. This is the latest version of Windows OS releases, with new interface and other new features like new Microsoft Store, a new personalized feed powered by AI and best-in-class browser performance from Microsoft Edge, Chat from Microsoft Teams integrated in the taskbar and many more!
 Windows 10 x64 21H1 15in1 en-US - Integral Edition (August 2021) x64 | Language: English | File Size: 3.19 GB Windows 10 is a series of personal computer operating systems produced by Microsoft as part of its Windows NT family of operating systems. Devices in enterprise environments can receive these updates at a slower pace, or use long-term support milestones that only receive critical updates, such as security patches, over their ten-year lifespan of extended support. This release contains two ISO images and 74 executable svf files. All exe files are created from original ISOs for each language. This is done with SmartVersion, a program that calculates the difference between two files (one of which is used as the source) and then creates an svf file based on that difference. |
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