Difference between Windows 7 Home, Professional and Ultimate

Windows 7 Professional is a version of the Windows 7 operating system with additional features for businesses, while Windows 7 Ultimate includes all the features of Windows 7 Professional plus additional entertainment and security features.

Compare the features and differences of Windows 7 editions, including Home Premium, Professional, Ultimate, Enterprise, and more. Learn about the availability, pricing, and support of each edition.

Learn the differences between the three main versions of Windows 7, such as support period, memory limit, backup options, remote desktop, encryption and more. Find out which version suits your needs and how to upgrade from one to another.

Windows 7 Ultimate (旗艦版) 擁有所有功能，與企業版基本是相同的產品，僅僅在授權方式及其相關應用及服務上有區別，面向高端用戶和軟體愛好者。 專業版用戶和家庭高級版用戶可以付費通過Windows隨時升級 (WAU)服務升級到旗艦版。 ... 總結：在這六個版本中，Windows 7家庭高級版和Windows 7專業版是兩大主力版本，前者面向家庭用戶，後者針對商業用戶。 此外，32位版本和64位版本沒有外觀或者功能上的區別，但64位版本支持16GB（最高至192GB）內存，而32位版本只能

Short answer: there's little reason to buy Professional as long as Ultimate is available; Ultimate is only $20 more and has every single feature offered by Windows 7, including some key features that you might regret not having.

Compare the two editions of Windows 7 and learn about their similarities and differences. Find out which one offers more security, language, network, and media features, and how they affect the price and availability.

The Windows 7 Home Premium 作業系統： 針對家用電腦設計，包括多項多媒體功能。 Windows 7 Professional 作業系統： 針對辦公室電腦設計，包括進階網路功能。