优化XP的注册表键，将以下文本另存为.reg文件后双击导入到计算机即可。

Windows Registry Editor Version 5.00

;让IE6可以10线程下载
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPerServer"=dword:00000010
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPer1_0Server"=dword:00000010
[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPerServer"=dword:00000010
[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPer1_0Server"=dword:00000010

;下载完成自动关闭
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"NotifyDownloadComplete"="no"

;开启 IE 自动缩图功能
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"Enable AutoImageResize"="yes"

;减少开关机速度系列
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters]
"EnablePrefetcher"=dword:00000001

[HKEY_LOCAL_MACHINE\System\ControlSet001\Control\]
"WaitToKillServiceTimeout"="10000"

[HKEY_CURRENT_USER\Control Panel\Desktop]
"AutoEndTasks"=dword:00000001
"HungAppTimeout"="1000"
"WaitToKillAppTimeout"="5000"

[HKEY_USERS\.DEFAULT\Control Panel\Desktop]
"AutoEndTasks"=dword:00000001
"HungAppTimeout"="1000"
"WaitToKillAppTimeout"="5000"

;打开启动优化功能
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Dfrg\BootOptimizeFunction]
"Enable"="Y"

;清除共享文件夹
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace\DelegateFolders]

;禁用简单文件共享
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa]
"forceguest"=dword:00000000

;跳过internet连接向导
[HKEY_CURRENT_USER\Software\Microsoft\Internet Connection Wizard]
"Completed"=hex:01,00,00,00
"DesktopChanged"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
;禁用IE中script错误报告
"DisableScriptDebuggerIE"="yes"
;显示友好http错误
"Friendly http errors"="No"
;禁止显示script错误通知
"Error Dlg Displayed On Every Error"="no"

;关闭XP文件保护
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"SFCDisable"=dword:ffffff9d
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Winlogon]
"SFCDisable"=dword:FFFFFF9D

;禁止Windows漫游气球提醒
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Applets\Tour]
"RunCount"=dword:00000000
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Applets\Tour]
"RunCount"=dword:00000000

;不缓存缩略图
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"DisableThumbnailCache"=dword:00000001

;删除图标快捷方式的字样
[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer]
"Link"=hex:00,00,00,00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer]
"Link"=hex:00,00,00,00

;禁止高亮显示新安装的程序（开始菜单）
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"Start_NotifyNewApps"=dword:00000000

;禁用杀毒软件提醒
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]
"AntiVirusDisableNotify"=dword:00000001

;禁用防火墙提醒
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]
"FirewallDisableNotify"=dword:00000001

;禁用自动更新提醒
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center]
"UpdatesDisableNotify"=dword:00000001

;SP2验证码补丁
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Security]
"BlockXBM"=dword:00000000

;打开自动更新
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update]
"AUOptions"=dword:00000004

;关闭错误报告
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PCHealth\ErrorReporting]
"DoReport"=dword:00000000

;禁用错误报告服务
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ERSvc]
"Start"=dword:00000004

;关闭系统还原
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sr]
"Start"=dword:00000004
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SystemRestore]
"DisableSR"=dword:00000001

;禁用Messenger服务
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Messenger]
"Start"=dword:00000004

;在程序组中显示管理工具
[HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"StartMenuAdminTools"="YES"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced]
"StartMenuAdminTools"="YES"

;显示桌面系统图标
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons\NewStartPanel]
"{450D8FBA-AD25-11D0-98A8-0800361B1103}"=dword:00000000 ;我的文档
"{20D04FE0-3AEA-1069-A2D8-08002B30309D}"=dword:00000000 ;我的电脑
"{208D2C60-3AEA-1069-A2D7-08002B30309D}"=dword:00000000 ;网络邻居
"{871C5380-42A0-1069-A2EA-08002B30309D}"=dword:00000000 ;Internet Explorer
"{645FF040-5081-101B-9F08-00AA002F954E}"=dword:00000000 ;回收站

;增加Internet时间校准网站
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\DateTime\Servers]
@="1"
"2"="time-a.nist.gov"
"3"="time-b.nist.gov"
"4"="time-nw.nist.gov"

;显示快速启动
[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Streams\Desktop]
"TaskbarWinXP"=hex:0c,00,00,00,08,00,00,00,02,00,00,00,00,00,00,00,b0,e2,2b,\
d8,64,57,d0,11,a9,6e,00,c0,4f,d7,05,a2,22,00,1c,00,0a,01,00,00,1a,00,00,00,\
01,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,4c,00,00,00,01,14,02,00,00,\
00,00,00,c0,00,00,00,00,00,00,46,83,00,00,00,10,00,00,00,a0,b0,48,5e,89,8d,\
bd,01,00,d8,9e,e4,2a,8d,bd,01,00,45,fe,5e,89,8d,bd,01,00,00,00,00,00,00,00,\
00,01,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,13,01,14,00,1f,0f,e0,4f,\
d0,20,ea,3a,69,10,a2,d8,08,00,2b,30,30,9d,19,00,23,44,3a,5c,00,00,00,00,00,\
00,00,00,00,00,00,00,00,00,00,00,00,cd,97,15,00,31,00,00,00,00,00,af,24,5c,\
b9,10,80,57,69,6e,6e,74,00,00,20,00,31,00,00,00,00,00,af,24,a3,b9,10,00,50,\
72,6f,66,69,6c,65,73,00,50,52,4f,46,49,4c,45,53,00,19,00,31,00,00,00,00,00,\
c1,24,08,92,10,00,69,65,35,30,30,2e,30,30,30,00,00,28,00,31,00,00,00,00,00,\
c1,24,08,92,10,00,41,70,70,6c,69,63,61,74,69,6f,6e,20,44,61,74,61,00,41,50,\
50,4c,49,43,7e,31,00,21,00,31,00,00,00,00,00,c5,22,9d,91,10,00,4d,69,63,72,\
6f,73,6f,66,74,00,4d,49,43,52,4f,53,7e,31,00,29,00,31,00,00,00,00,00,d3,22,\
32,a6,10,00,49,6e,74,65,72,6e,65,74,20,45,78,70,6c,6f,72,65,72,00,49,4e,54,\
45,52,4e,7e,31,00,24,00,31,00,00,00,00,00,db,22,76,ba,10,00,51,75,69,63,6b,\
20,4c,61,75,6e,63,68,00,51,55,49,43,4b,4c,7e,31,00,00,00,8d,00,00,00,1c,00,\
00,00,01,00,00,00,1c,00,00,00,36,00,00,00,0d,f0,ad,ba,8c,00,00,00,1a,00,00,\
00,03,00,00,00,e7,18,2d,23,10,00,00,00,49,45,35,30,30,5f,58,31,43,00,43,3a,\
5c,57,49,4e,4e,54,5c,50,72,6f,66,69,6c,65,73,5c,49,45,35,30,30,2e,30,30,30,\
5c,41,70,70,6c,69,63,61,74,69,6f,6e,20,44,61,74,61,5c,4d,69,63,72,6f,73,6f,\
66,74,5c,49,6e,74,65,72,6e,65,74,20,45,78,70,6c,6f,72,65,72,5c,51,75,69,63,\
6b,20,4c,61,75,6e,63,68,00,00,10,00,00,00,05,00,00,a0,1a,00,00,00,a3,00,00,\
00,00,00,00,00,08,00,00,00,02,00,00,00,cc,00,00,00,01,00,00,00,03,00,00,00,\
4a,00,00,00,01,00,00,00,40,00,32,00,e6,01,00,00,c4,24,15,9f,20,00,4c,61,75,\
6e,63,68,20,49,6e,74,65,72,6e,65,74,20,45,78,70,6c,6f,72,65,72,20,42,72,6f,\
77,73,65,72,2e,6c,6e,6b,00,4c,41,55,4e,43,48,7e,32,2e,4c,4e,4b,00,00,00,40,\
00,00,00,02,00,00,00,36,00,32,00,48,02,00,00,c4,24,15,9f,20,00,4c,61,75,6e,\
63,68,20,4f,75,74,6c,6f,6f,6b,20,45,78,70,72,65,73,73,2e,6c,6e,6b,00,4c,41,\
55,4e,43,48,7e,31,2e,4c,4e,4b,00,00,00,36,00,00,00,00,00,00,00,2c,00,32,00,\
51,00,00,00,ec,22,46,39,20,00,53,68,6f,77,20,44,65,73,6b,74,6f,70,2e,73,63,\
66,00,53,48,4f,57,44,45,7e,31,2e,53,43,46,00,00,00,52,00,00,00,e0,00,00,00,\
00,00,00,00,16,00,00,00,00,00,00,00,00,00,00,00,16,00,00,00,00,00,00,00,01,\
00,00,00,01,00,00,00,aa,4f,28,68,48,6a,d0,11,8c,78,00,c0,4f,d9,18,b4,37,02,\
00,00,e0,00,00,00,00,00,00,00,16,00,00,00,00,00,00,00,00,00,00,00,16,00,00,\
00,00,00,00,00,01,00,00,00

;禁止启动时候弹出错误信息
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows]
"NoPopUpsOnBoot"="1"

;系统失败
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\CrashControl]
;禁止自动重启
"AutoReboot"=dword:00000000

;禁用ZIP功能
[-HKEY_CLASSES_ROOT\.zip\CompressedFolder]
[-HKEY_CLASSES_ROOT\CLSID\{E88DCCE0-B7B3-11d1-A9F0-00AA0060FA31}]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CompressedFolder]

;关闭"压缩旧文件"功能
[-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\VolumeCaches\Compress old files]

;修复AMD处理器的AGP内存分页问题
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
"LargePageMinimum"=dword:ffffffff

;使XP系统支持136G以上的硬盘
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\atapi\Parameters]
"EnableBigLba"=dword:00000001

;去掉右键“新建”中的BMP、WAV等
;[-HKEY_CLASSES_ROOT\.bfc\ShellNew]
[-HKEY_CLASSES_ROOT\.rtf\ShellNew]
[-HKEY_CLASSES_ROOT\.bmp\ShellNew]
[-HKEY_CLASSES_ROOT\.wav\ShellNew]
;[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.bfc\ShellNew]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.bmp\ShellNew]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.rar\ShellNew]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.rtf\ShellNew]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.zip\ShellNew]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\FlashFXP.exe]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\moviemk.exe]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\mspaint.exe]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\shimgvw.dll]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\wordpad.exe]
[-HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\zipfldr.dll]

;让Winodws进行最大限度搜索，包括隐藏文件夹
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer]
"link"=hex:00,00,00,00
"SearchSystemDirs"=dword:00000001
"SearchHidden"=dword:00000001
"IncludeSubFolders"=dword:00000001

;计算机用户登录前打开Num Lock键
[HKEY_USERS\.DEFAULT\Control Panel\Keyboard]
"InitialKeyboardIndicators"="2"

;禁止跟踪损坏的快捷方式
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoResolveTrack"=dword:00000001

;禁用搜索助手并使用高级所搜
[HKEY_CURRENT_USER\Software\Microsoft\Search Assistant]
"Actor"=""
"SocialUI"=dword:00000000
"UsageCount"=dword:00000000
"UseAdvancedSearchAlways"=dword:00000001

;关机时自动清理“我最近的文档”列表
;[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
;"ClearRecentDocsOnExit"=dword:00000001

;移去开始中的“帮助”菜单
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoSMHelp"=dword:00000001
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoSMHelp"=dword:000000

;彻底关闭华生医生
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug]
"Auto"="0"

;当文件没有关联的打开程序时，禁止从网络上去搜索打开类型
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System]
"NoInternetOpenWith"=dword:00000001

;安装驱动时不搜索Windows Update
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DriverSearching]
"DontSearchWindowsUpdate"=dword:00000001
"DontPromptForWindowsUpdate"=dword:00000001

;优化Windows Media Player
[HKEY_CURRENT_USER\Software\Microsoft\MediaPlayer\Preferences]
"ShowControlsOnEveryMouseMove"=dword:00000000
"FSControls_ControlsTimeout"=dword:00000001
"FSControls_CursorTimeout"=dword:00000001
"FSControls_MoveSpeed"=hex:00,00,c8,42
"ClipFullScreen"=dword:00000001
"FirstRun"=dword:00000000
"LaunchIndex"=dword:00000005
"DisableMRU"=dword:00000001
"StartInMediaGuide"=dword:00000000
"AcceptedPrivacyStatement"=dword:00000001

;关闭首次打开Windows Media Player 出现的授权窗口
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\WindowsMediaPlayer]
"GroupPrivacyAcceptance"=dword:00000001

;用记事本打开
[HKEY_CLASSES_ROOT\*\shell\用记事本打开\command]
@="notepad.exe \"%1\""

;给驱动器和文件夹的右键菜单添加“打开命令行窗口”
[HKEY_CLASSES_ROOT\Directory\shell\cmd]
@="Dos 在这里"
[HKEY_CLASSES_ROOT\Directory\shell\cmd\command]
@="cmd.exe /k \"cd %L\""
[HKEY_CLASSES_ROOT\Drive\shell\cmd]
@="Dos 在这里"
[HKEY_CLASSES_ROOT\Drive\shell\cmd\command]
@="cmd.exe /k \"cd %L\""

;用记事本打开nfo文件
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.nfo]
"Application"="NOTEPAD.EXE"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.nfo\OpenWithList]
"a"="Explorer.exe"
"MRUList"="ba"
"b"="NOTEPAD.EXE"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.nfo\OpenWithProgids]
"MSInfo.Document"=hex(0):

;给“我的电脑”的右键菜单中添加“服务设置”命令
[HKEY_CLASSES_ROOT\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\services]
@="服务(&V)"
"SuppressionPolicy"=dword:4000003c
[HKEY_CLASSES_ROOT\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\services\command]
@=hex(2):25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,00,5c,00,73,00,79,00,73, 00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,00,6d,00,63,00,2e,00,65,00,78,00, 65,00,20,00,2f,00,73,00,20,00,25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52, 00,6f,00,6f,00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00, 32,00,5c,00,73,00,65,00,72,00,76,00,69,00,63,00,65,00,73,00,2e,00,6d,00,73, 00,63,00,20,00,2f,00,73,00,00,00

;我的电脑右键添加"控制面板"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\控制]
@="控制(&C)"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\控制\command]
@="rundll32.exe shell32.dll,Control_RunDLL"

;在我的电脑右键添加"设备管理器"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\DevMgr]
@="设备(&Q)"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\shell\DevMgr\command]
@="mmc.exe %%SYSTEMDRIVE%%\\WINDOWS\\SYSTEM32\\devmgmt.msc"