1. Windows7 isthe latestversionof MicrosoftWindowsline of operatingsystemsproducedby
MicrosoftCorporation.Thisversionisdesignedforuse inPCs,includingdesktopsinhomesand
offices,laptops,tabletPCs,netbooksandmediacentercomputers. The developmentof Windows
7 wascompletedonJuly22, 2009, beingthenconfirmedofficial sale date forthe October22, 2009
alongwithitsequivalentforWindowsServer2008 R2.
Unlike the bigleapandarchitectural featureswhichsuffereditspredecessorWindowsVistaover
WindowsXP,Windows7was designedasanincremental update andfocusedonVistaandNT6.0
kernel,allowing tomaintaina certaindegree of compatibilitywithapplicationsandhardware on
whichitwas alreadycompatible.However, amongthe developmentgoalsforWindows7was
givenimportance toimprove the interface tomake itmore accessible tothe userandinclude new
featuresthatmake taskseasierwayand Quick,while effortswouldbe made toachieve amore
lightweight,stableandfast.
Variouspresentationsbythe companyin2008 focusedondemonstratingmulti-touchcapabilities,
a redesignedinterface alongwithanew taskbarand a systemof home networkingsimple and
easyto use so-calledGroupHome,inadditiontosignificantimprovementsinoverall performance
of the operatingsystem.
Caracteristics:
Windows7 includesnumerousupdates,amongthemare advancesinvoice recognition,touchand
writing,supportforvirtual disks,betterperformanceinmulti-core processors,betterstartingand
improvementsinthe core.

2. Libraries
* The "Library" are virtual foldersthataggregate contentfrommultiplefoldersanddisplaythem
on a single. Forexample,the foldersaddedinthe library'Videos'bydefaultare:"PersonalVideo"
(before "MyVideos") and"PublicVideos",butmore canbe addedmanually.Toclassifythe
differenttypesof files(Documents,Music,Video,Photos).
Task Bar
* The toolbarwas redesignedmakingitwiderandthe buttonsdonotbringthe windowsand
text,butonlythe applicationicon. These changesare made toimprove performance touchscreen
systems.The iconshave beenintegratedwiththe quickstart,andnow the openwindowsare
showngroupedinthatone iconwitha border,indicating thattheyare open. Shortcutsunopened
not have a border.
* AeroPeek:The previewsincludedsinceWindowsVistahasbeenimprovedbybecomingmore
interactive anduseful.Whenthe mouse restsonanopenapplicationitdisplaysapreview window,
whichdisplaysthe name,the previewandthe optiontoclose itas well,if youputthe mouse over
the preview,yougetafull screenview andremove returnstothe previouspoint. Youcan
incorporate thissame feature toWindowsFlip.
* JumpList:Right-clickingonanyapplicationfromthe taskbarisa JumpList(List'hops'),where
youcan make simple tasksaccordingtothe application. Forexample,OpenOffice recent
documents,recenttabsopenInternetExplorer,selectplaylistsinMediaPlayer,change the status
of WindowsLive Messenger,etc.
* ShowDesktopBar: Thisnewbar comeswitha small rectangle onthe rightcorner that replaces
the quicklaunchicon inpreviousversions.Thisnew "rectangle"allowstoputthe pointeroverit
thenthe windowsare made 100% transparent,itisuseful tosee the desktopquickly,see gadgets
or otherthings,or youcan simplyclickandminimize all windows.
Multimedia
Windows7 includesgetWindowsMediaCenterandWindowsMediaPlayer12. Interface
* The developmentteamof the Ribboninterfaceof MicrosoftOffice 2007 tookan active part in
the redesignof some programsandWindows7 features,includingtoolsthatinterfaceinPaintand
Wordpad.
* WindowsSidebar,orbetterknownasWindows Sidebar,andnow hasbeeneliminated,as
happenedinVista,the gadgetscanbe placedfreelyanywhere onthe desktop,eitheronthe right,
left,upor down,but withoutthe Sidebar.
* AeroShake:Whenyouhave multiple windowsopen,selectingone and shake,the otheropen

3. windowsare minimized. Byrepeatingthisaction,the windowsreturntotheirpreviouslocation.
Multi touch
On May 27, 2008, Steve BallmerandBill Gates,atthe conference "D6:All ThingsDigital",unveiled
the newmulti-touchinterface,callingit"onlyasmall fraction"of whatwill come withWindows7.
Later, Julie LarsonGreen,corporate vice president,showedpossible applications,suchasdrawing
picturesinPaint,enlarge orreduce photosanda map go online,dragandopenitems,simply
touch the screen.
Mode XP
See also:WindowsVirtual PC
Windows7 can integrate withthe new Windowsversionof Virtual PC,whichletsyouruna
WindowsXPvirtual machine transparentlytothe user(the applicationwithinthe virtualized
machine isseenasanotheroptiononthe menuof Windows7 and itsimplementationis
straightforward withoutgoingthroughthe startmenuof XPvirtualized). AlthoughMicrosofthad
releasedMED-V initsMDOP package that doesthe same Hyper-V environments,thisisasolution
aimedat advancedusersandsmall businessesthatdonotneedcentralizedmanagementtools.
The functionalitymustbe downloadedseparatelyonthe website of MicrosoftVirtual PC,but
requiresavalidlicense forProfessional editions,Ultimate andEnterpriseeditionsof Windows7.
Also,the "XPway"at firstrequiresprocessorswithhardware virtualizationcapabilities,unlikethe
previousVirtual PC2007 or Virtual PC2008, but by an update fromWindowsUpdate can runthe
"XPmode"on computerswithout hardware virtualization.
Compatibility
The clientversionsof Windows7will be releasedinversionsfor32-bitarchitecture and64-bit
editionsHome Basic,Home Premium,Professional,andUltimate.However,the serverversionsof
thisproductwill be releasedexclusivelyfor64-bitarchitecture.
Thismeansthat 32-bit clientversionswillsupporteven16-bitWindowsprogramsandMS-DOS.
Andthe 64-bit versions(includingall serverversions)willsupportbothprograms32 and 64 bits.
Other Caracteristics
Microsofthas decidedtonotinclude WindowsMail program, WindowsMovie Makerand
WindowsPhotoGalleryinWindows7,makingitavailable asadownloadinthe popularpackage of
online services,WindowsLive Essentials. Thishasbeendecidedtofacilitate updatestothese

4. programs,streamliningthe operatingsystem, letthe userchoose the applicationsthatwantto
have on yourcomputerand preventfuture antitrustclaims.