macOS Big Sur elevates the world's most advanced desktop operating system to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy. Design
• New design for apps makes it easier to focus on your content and take action with space efficient toolbars and full height sidebars
• Updated menu bar features wider spacing and a new translucent material that becomes more vibrant when you interact with it
• Refreshed system sounds include the boot chime and sounds for transferring files, moving items to the trash, locking files, and more

Windows 7 is an operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009. It is the successor to Windows Vista, released nearly three years earlier. It remained an operating system for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs, and itself was replaced in November 2012 by Windows 8, the name spanning more than three years of the product.

Windows 7 Ultimate is the most versatile and powerful edition of Windows 7. It combines remarkable ease-of-use with the entertainment features of Home Premium and the business capabilities of Professional, including the ability to run many Windows XP productivity programs in Windows XP Mode. For added security, you can encrypt your data with BitLocker and BitLocker To Go. And for extra flexibility, you can work in any of 35 languages. Get it all with Windows 7 Ultimate.

Windows 10 Enterprise LTSC v1809 17763.1935, which includes 2 Russian and 2 English editions x86 / x64, with updates up to 05.2021, additional system libraries (C Redistributable Package), with a choice of installation options and the presence of MSDaRT . And also Windows installations with preinstalled (or without - optional) Word, Excel, PowerPoint, Access, Publisher, Outlook and OneNote.

Windows 10 Enterprise LTSC 2019 builds on Windows 10 Pro, version 1809 adding premium features designed to address the needs of large and mid-size organizations (including large academic institutions), such as:

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 10 v21H1 19043.985, which includes 4 Russian and 4 English editions of x64, with updates until 05.2021, additional system libraries (C Redistributable Package), with a choice of installation options and the presence of MSDaRT . And also Windows installations with preinstalled (or without - optional) Word, Excel, PowerPoint, Access, Publisher, Outlook and OneNote.

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.