大神请教啊

大家好，我是一名WIN7控，现在用WIN10，想回到WN7的界面，请问，我在网上找到了一段代码，说是恢复WIN7的，是恶意代码吗？
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Windows Registry Editor Version 5.00
;
; Created by http://winaero.com, reedited by http://ithome.com
;
[HKEY_CLASSES_ROOT\DesktopBackground\Shell\Appearance]
"MUIVerb"="个性化设置"
"SubCommands"="Wallpaper;Colors;Sounds;Screensaver;Icons"
"icon"="desk.cpl"
"Position"="Bottom"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Screensaver]
@="屏幕保护程序"
"Position"="Bottom"
"Icon"="desk.cpl"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Screensaver\Command]
@="rundll32.exe shell32.dll,Control_RunDLL desk.cpl,screensaver,@screensaver"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Sounds]
@="声音"
"Position"="Bottom"
"Icon"="mmsys.cpl"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Sounds\Command]
@="rundll32.exe shell32.dll,Control_RunDLL mmsys.cpl ,2"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Wallpaper]
@="桌面背景"
"Icon"="%SystemRoot%\\System32\\desk.cpl"
"Position"="Bottom"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Wallpaper\Command]
@="control.exe /NAME Microsoft.Personalization /PAGE pageWallpaper"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Icons]
@="桌面图标"
"Icon"="%SystemRoot%\\System32\\desk.cpl"
"Position"="Bottom"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Icons\Command]
@="rundll32 shell32.dll,Control_RunDLL desk.cpl,,0"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Colors]
@="窗口颜色"
"Icon"="%SystemRoot%\\System32\\desk.cpl"
"Position"="Bottom"
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\CommandStore\shell\Colors\command]
@="control.exe /NAME Microsoft.Personalization /PAGE pageColorization"
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