feature comparison

from http://en.wikipedia.org/wiki/Windows_7_editions

Windows 7 edition comparison chart^{[1][3][4][12][17][32][33][34]}

Features	Starter	Home Basic	Home Premium	Professional	Enterprise	Ultimate
	OEM licensing	Retail and OEM licensing in Emerging markets	Retail and OEM licensing	Retail, OEM and Volume licensing[35]	Volume licensing[35]	Retail and OEM licensing
End of Support[36]	January 13, 2015; 3 years' time (2015-01-13)	January 13, 2015; 3 years' time (2015-01-13)	January 13, 2015; 3 years' time (2015-01-13)	January 14, 2020; 8 years' time (2020-01-14)	January 14, 2020; 8 years' time (2020-01-14)	January 13, 2015; 3 years' time (2015-01-13)
Maximum physical memory (RAM) (x64)[37]	N/A	8 GB	16 GB	192 GB	192 GB	192 GB
Maximum physical memory (RAM) (IA-32)[37]	2 GB	4 GB	4 GB	4 GB	4 GB	4 GB
Incoming file and printer sharing connections[38]	?	5	10	10	10	10
32-bit and 64-bit versions	32-bit only	Both[39] (64-bit disc not included)	Both	Both	Both	Both
Maximum physical CPUs supported[40]	1	1	1	2	2	2
Backup and Restore Center[41]	Cannot back up to network (Backup to network and local hard disk, restore)	Cannot back up to network	Cannot back up to network	Yes	Yes	Yes
Remote Desktop (Client and Host)	Client only	Client only	Client only	Yes	Yes	Yes
HomeGroup (create and join)	Join only	Join only	Yes	Yes	Yes	Yes
Built-in DVD (MPEG-2 and Dolby Digital) decoder[42]	No	No	Yes	Yes	Yes	Yes
Built-in AVCHD support[43]	Yes	Yes	Yes	Yes	Yes	Yes
Multiple monitors	No	Yes	Yes	Yes	Yes	Yes
Color depth	N/A	32-bit	32-bit	32-bit	32-bit	32-bit
Fast user switching	No	Yes	Yes	Yes	Yes	Yes
Desktop Window Manager	No	Yes	Yes	Yes	Yes	Yes
Windows Mobility Center	No	Yes	Yes	Yes	Yes	Yes
Printing via Internet (IPP)	No[44]	Yes	Yes	Yes	Yes	Yes
Internet connection sharing	No	Yes	Yes	Yes	Yes	Yes
Windows Aero	No	Partial	Yes	Yes	Yes	Yes
Windows Parental Controls[38]	No	Yes	Yes	Yes	Yes	Yes
Multi-Touch	No	No	Yes	Yes	Yes	Yes
Premium Games Included	No	No	Yes	Disabled by default	Disabled by default	Yes
Windows Media Center	No	No	Yes	Yes	Yes	Yes
Windows Media Player Remote Media Experience[45]	No	No	Yes[46]	Yes[46]	Yes[46]	Yes[46]
Dynamic Disks[47]	No	No	No	Yes	Yes	Yes
Encrypting File System	No	No	No	Yes	Yes	Yes
Location Aware Printing	No	No	No	Yes	Yes	Yes
Presentation Mode	No	No	No	Yes	Yes	Yes
Group Policy[48]	No	No	No	Yes	Yes	Yes
Offline Files and Folder redirection[48]	No	No	No	Yes	Yes	Yes
Windows Server domain joining	No	No	No	Yes	Yes	Yes
Windows XP Mode[49]	No	No	No	Yes	Yes	Yes
Software Restriction Policies	No	No	No	Yes	Yes	Yes
AppLocker	No	No	No	Create Policies, But Cannot Enforce	Create and Enforce Policies	Create and Enforce Policies
Aero glass remoting[50][51]	No	No	No	No	Yes	Yes
Windows Media Player multimedia redirection[51]	No	No	No	No	Yes[46]	Yes[46]
Audio recording over Terminal Services[51]	No	No	No	No	Yes	Yes
Multi-display Terminal Services[51]	No	No	No	No	Yes	Yes
Enterprise Search Scopes[48]:130	No	No	No	No	Yes	Yes
Federated Search[52]	No	No	No	No	Yes	Yes
BitLocker Drive Encryption	No	No	No	No	Yes	Yes
BranchCache Distributed Cache	No	No	No	No	Yes	Yes
DirectAccess	No	No	No	No	Yes	Yes
Subsystem for Unix-based Applications	No	No	No	No	Yes	Yes
Multilingual User Interface Pack	No	No	No	No	Yes	Yes
Virtual Desktop Infrastructure (VDI) Enhancements[48]:130	No	No	No	No	Yes	Yes
Virtual Hard Disk Booting	No	No	No	No	Yes	Yes
Switching between any of the 35 available languages[53]	No	No	No	No	Yes[54]	Yes
	Starter	Home Basic	Home Premium	Professional	Enterprise	Ultimate