Download Window 7 Editions

Edition
Starter
Processors
Supported
Min Hardware
1
1 GHZ processor
512 MB
16GB x86, 20GB x64
DirectX Graphics with 32MB
graphics memory
Home Basic
Home Premium
Professional
Max Hardware
2
1 GHz Processor
1 GB RAM x86, 2GB RAM x64
16GB x86, 20GB x64
DirectX & WDDM graphics
driver with 128 MB graphics
memory
All x86 systems have max
RAM 4GB
X64 max RAM
Home Basic 8GB
Home Premium 16GB
Professional 192 GB
Enterprise 192 GB
Ultimate
192 GB
Comments
For netbooks.
No Aero, no DVD support
No Homegroup support
No x64 support
No media center
Can run >3 apps
Emerging markets
No enterprise features
Homegroup support
No enterprise features
No domain support
Domain support.
EFS, XP Mode, Remote Desktop
hosting
No branch cache, no direct
access.
Enterprise
Full function.
Volume licensing.
Ultimate
Full function.
Retail licensing.
N & K Editions
No Media Player.
Korea and other countries by
court ruling.
You can install Win7 using
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DVD
USB (USB capacity >= 4 GB)
Network Share
WDS (Window Deployment Service)
Considerations: how many computers, other applications, windows updates
Win7 supports Dual Boot, VHD Boot
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Install Win7 last
Upgrade in place
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Not recommended
Only from Win Vista (Must have SP1)
Cannot upgrade x86 to x64, Cannot change editions. Vista Business -> Win7 Professional
Cannot be used as a reference computer for imaging
Side by Side migration compared to Wipe and Load
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Use Easy Transfer or USMT (User State Migration Tool)
USMT support hard links (save data on old computer, install Win7, restore data w/o moving data).