192GB Maximum physical memory (RAM) (64-Bit Edition).

4GB Maximum physical memory (RAM) (32-Bit Edition).

Built-in DVD (MPEG-2 and Dolby Digital) decoder.

Back up to network with Backup and Restore Center.

Active Directory Lightweight Directory Services (AD LDS).

Act as host for Remote Desktop Services.32-bit and 64-bit editions are available.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 the 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

Lenovo windows 7 download iso