Back up to network with Backup and Restore Center.Active Directory Lightweight Directory Services (AD LDS).Act as host for Remote Desktop Services.It will just take disk space and resources. The full list is here.įrom my experience, 99% of users don’t need features in the Ultimate edition. Windows 7 Ultimate: everything Home and Pro have, plus all possible features Windows 7 may have.Windows 7 Professional: everything in Home edition plus enhanced networking features like domain joins, advanced backup, location-aware printing, and offline folders, as well as Mobility Center and Presentation Mode.Also, it supports only 16GB of physical memory. Windows 7 Home Premium: aero enhancements, multitouch, home network groups, and media apps for playing movies and burning DVDs.Difference between Windows 7 Home, Pro, and Ultimate The most common editions are Home, Pro, or Ultimate edition. It is already activated in BIOS when you buy a PC or laptop, so you don’t need to enter the key and activate it yourself. OA means OEM Activation – Original Equipment Manufacturer. Windows 7 is an operating system for your PC, made by Microsoft. Windows 7 was released to manufacturing on July 22, 2009, and became available for the public on Octo( source). Print 🖨 PDF 📄 eBook 📱 About Windows 7 Pro OA