Microsoft Windows 7 Professional OEM 32-bit /Branded

Contents of the Package:
-Microsoft Windows 7 Professional Re-installation DVD (Dell version) works on all brands of systems or custom built systems. The media is a re-installation CD, but it installs the complete program on any computer.
-Unique Product Key with certificate of authenticity which will validate with Microsoft

This software is 100% genuine and will validate with Microsoft. The software is new sealed OEM.

Microsoft Windows 7 Professional gives you everything you need for work and home. With Windows 7 Professional, fewer walls stand between you and your success. You can run many Windows XP productivity programs in Windows XP Mode and recover data easily with automatic backups to your home or business network. You can also connect to company networks effortlessly and more securely with Domain Join. With all the exciting entertainment features of Windows Home Premium, it’s a great choice for home and for business.

• Make the things you do every day easier with improved desktop navigation
• Start programs faster and more easily, and quickly find the documents you use most often
• Make your web experience faster, easier and safer than ever with Internet Explorer 8
• Watch, pause, rewind, and record TV on your PC
• Easily create a home network and connect your PCs to a printer with HomeGroup
• Run many Windows XP productivity programs in Windows XP Mode
• Connect to company networks easily and more securely with Domain Join
• In addition to full-system Backup and Restore found in all editions, you can back up to a home or business network

Simplify everyday tasks

• Simplify your PC with new navigation features like Aero Shake, Jump Lists, and Snap.
• Customize Windows to look and feel the way you like by changing themes and taskbar programs.
• Easy to network (with or without a server)
• Back up your complete system over a network

Work the way you want

• Designed to make your PC sleep and resume quicker.
• Takes full advantage of 32-bit PC hardware and memory.
• Windows XP Mode gives you the flexibility you need.

Make new things possible

• Watch, pause, rewind, and record TV with Windows Media Center.
• Watch your favorite DVD movies.
• Includes integrated video and Dolby audio codecs.

• Hard Drive Space: 20 GB (plus 15 GB additional for XP mode)
• Processor Type: 32 or 64-bit
• Processor Speed: 1 GHz
• RAM: 2 GB (plus 1 GB additional for XP mode)
• Graphics: DirectX 9 support with WDDM 1.0
• Other: DVD-ROM drive, internet access, audio output
• Advanced: TV tuner
• Note: Your system must meet or exceed the recommended requirements to gain access to advanced features
• Additional requirements to use certain features:
  Internet access (fees may apply)
  Depending on resolution, video playback may require additional memory and advanced graphics hardware
  For some Windows Media Center functionality a TV tuner and additional hardware may be required
  Windows Touch and Tablet PCs require specific hardware
  HomeGroup requires a network and PCs running Windows 7
  DVD/CD authoring requires a compatible optical drive
  BitLocker requires Trusted Platform Module (TPM) 1.2
  BitLocker To Go requires a USB flash drive
  Windows XP Mode requires an additional 1GB of RAM, an additional 15GB of available hard disk space, and a processor capable of hardware virtualization with Intel VT or AMD-V turned on
  Music and sound require audio output

OEM "Original Equipment Manufacturer" Software is distributed to companies like Dell, IBM & HP for installation on new machines.  The main difference is that OEM can not be used as an upgrade, any previous or trial versions of the software must be uninstalled before installing an OEM.  The packaging is typically CD & License, no box.  OEM Software does not come with installation support from the manufacturer.