yes, it's self registering on the first launch.
if you want the file association on the first boot here is a exemple reg file
CODE
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document]
""="Foxit Reader Document"
"BrowseInPlace"="1"
"EditFlags"=dword:00010000
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\DefaultIcon]
""="C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE,1"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.pdf]
""="FoxitReader.Document"
"Content Type"="application/pdf"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.pdf\ShellNew]
"NullFile"=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.FDFDoc]
""="Foxit FDF Document"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.fdf]
""="FoxitReader.FDFDoc"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\shell\open\command]
""="\"C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE\" \"%1\""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\shell\print\command]
""="\"C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE\"/p \"%1\" "
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\shell\printto\command]
""="\"C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE\"/t \"%1\" \"%2\" \"%3\" \"%4\" "
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.FDFDoc\shell\open\command]
""="\"C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE\" \"%1\""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\Insertable]
""=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\protocol\StdFileEditing\verb\0]
""="&Edit"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}]
""="Foxit Reader Document"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\Verb\1]
""="&Open,0,2"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\Insertable]
""=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\AuxUserType\2]
""="PDF"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\AuxUserType\3]
""="Foxit Reader"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\MiscStatus]
""="32"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\DocObject]
""="0"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\DocObject]
""="0"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\Printable]
""=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\CLSID]
""="{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.Document\protocol\StdFileEditing\server]
""="C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\ProgID]
""="FoxitReader.Document"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\InprocHandler32]
""="ole32.dll"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\LocalServer32]
""="C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\DefaultIcon]
""="C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE,1"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\DefaultExtension]
""=".pdf, PDF Files(*.pdf)"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.FDFDoc\Insertable]
""=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.FDFDoc\protocol\StdFileEditing\verb\0]
""="&Edit"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}]
""="Foxit FDF Document"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Verb\0]
""="&Edit,0,2"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Verb\1]
""="&Open,0,2"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Insertable]
""=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\AuxUserType\2]
""="FDF"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\AuxUserType\3]
""="Foxit Reader"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\MiscStatus]
""="32"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\DocObject]
""="0"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.FDFDoc\DocObject]
""="0"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Printable]
""=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.FDFDoc\CLSID]
""="{A43F4073-BEBD-4142-B590-27A74384620B}"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FoxitReader.FDFDoc\protocol\StdFileEditing\server]
""="C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\ProgID]
""="FoxitReader.FDFDoc"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\InprocHandler32]
""="ole32.dll"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\LocalServer32]
""="C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\DefaultIcon]
""="C:\\PROGRA~1\\FOXITR~1\\FOXITR~1.EXE,0"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\DefaultExtension]
""=".fdf, FDF Files(*.fdf)"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/pdf]
"CLSID"="{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}"
"Extension"=".pdf"
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf]
"Progid"="FoxitReader.Document"
or in inf format
CODE
[Version]
Signature="$Windows NT$"
[Optional Components]
MyRegTweaks
[DefaultInstall]
AddReg =REGEntries.AddReg
DelReg =REGEntries.DelReg
[MyRegTweaks]
OptionDesc ="Registry Entries"
Tip ="Registry Entries"
Modes =0,1,2,3
AddReg =REGEntries.AddReg
DelReg =REGEntries.DelReg
[REGEntries.AddReg]
HKLM,"SOFTWARE\Classes\FoxitReader.Document",,0x0,"Foxit Reader Document"
HKLM,"SOFTWARE\Classes\FoxitReader.Document","BrowseInPlace",0x0,"1"
HKLM,"SOFTWARE\Classes\FoxitReader.Document","EditFlags",0x10001,00,00,01,00
HKLM,"SOFTWARE\Classes\FoxitReader.Document\DefaultIcon",,0x0,"C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE,1"
HKLM,"SOFTWARE\Classes\.pdf",,0x0,"FoxitReader.Document"
HKLM,"SOFTWARE\Classes\.pdf","Content Type",0x0,"application/pdf"
HKLM,"SOFTWARE\Classes\.pdf\ShellNew","NullFile",0x0
HKLM,"SOFTWARE\Classes\FoxitReader.FDFDoc",,0x0,"Foxit FDF Document"
HKLM,"SOFTWARE\Classes\.fdf",,0x0,"FoxitReader.FDFDoc"
HKLM,"SOFTWARE\Classes\FoxitReader.Document\shell\open\command",,0x0,"""C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE"" ""%%1"""
HKLM,"SOFTWARE\Classes\FoxitReader.Document\shell\print\command",,0x0,"""C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE""/p ""%%1"" "
HKLM,"SOFTWARE\Classes\FoxitReader.Document\shell\printto\command",,0x0,"""C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE""/t ""%%1"" ""%%2"" ""%%3"" ""%%4"" "
HKLM,"SOFTWARE\Classes\FoxitReader.FDFDoc\shell\open\command",,0x0,"""C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE"" ""%%1"""
HKLM,"SOFTWARE\Classes\FoxitReader.Document\Insertable",,0x0
HKLM,"SOFTWARE\Classes\FoxitReader.Document\protocol\StdFileEditing\verb\0",,0x0,"&Edit"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}",,0x0,"Foxit Reader Document"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\Verb\1",,0x0,"&Open,0,2"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\Insertable",,0x0
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\AuxUserType\2",,0x0,"PDF"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\AuxUserType\3",,0x0,"Foxit Reader"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\MiscStatus",,0x0,"32"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\DocObject",,0x0,"0"
HKLM,"SOFTWARE\Classes\FoxitReader.Document\DocObject",,0x0,"0"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\Printable",,0x0
HKLM,"SOFTWARE\Classes\FoxitReader.Document\CLSID",,0x0,"{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}"
HKLM,"SOFTWARE\Classes\FoxitReader.Document\protocol\StdFileEditing\server",,0x0,"C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\ProgID",,0x0,"FoxitReader.Document"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\InprocHandler32",,0x0,"ole32.dll"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\LocalServer32",,0x0,"C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\DefaultIcon",,0x0,"C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE,1"
HKLM,"SOFTWARE\Classes\CLSID\{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}\DefaultExtension",,0x0,".pdf, PDF Files(*.pdf)"
HKLM,"SOFTWARE\Classes\FoxitReader.FDFDoc\Insertable",,0x0
HKLM,"SOFTWARE\Classes\FoxitReader.FDFDoc\protocol\StdFileEditing\verb\0",,0x0,"&Edit"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}",,0x0,"Foxit FDF Document"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Verb\0",,0x0,"&Edit,0,2"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Verb\1",,0x0,"&Open,0,2"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Insertable",,0x0
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\AuxUserType\2",,0x0,"FDF"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\AuxUserType\3",,0x0,"Foxit Reader"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\MiscStatus",,0x0,"32"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\DocObject",,0x0,"0"
HKLM,"SOFTWARE\Classes\FoxitReader.FDFDoc\DocObject",,0x0,"0"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\Printable",,0x0
HKLM,"SOFTWARE\Classes\FoxitReader.FDFDoc\CLSID",,0x0,"{A43F4073-BEBD-4142-B590-27A74384620B}"
HKLM,"SOFTWARE\Classes\FoxitReader.FDFDoc\protocol\StdFileEditing\server",,0x0,"C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\ProgID",,0x0,"FoxitReader.FDFDoc"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\InprocHandler32",,0x0,"ole32.dll"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\LocalServer32",,0x0,"C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\DefaultIcon",,0x0,"C:\PROGRA~1\FOXITR~1\FOXITR~1.EXE,0"
HKLM,"SOFTWARE\Classes\CLSID\{A43F4073-BEBD-4142-B590-27A74384620B}\DefaultExtension",,0x0,".fdf, FDF Files(*.fdf)"
HKLM,"SOFTWARE\Classes\MIME\Database\Content Type\application/pdf","CLSID",0x0,"{14E8BBD8-1D1C-4D56-A4DA-D20B75EB814E}"
HKLM,"SOFTWARE\Classes\MIME\Database\Content Type\application/pdf","Extension",0x0,".pdf"
HKCU,"Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf","Progid",0x0,"FoxitReader.Document"
But keep in mind it won't work if you don't install foxit in "c://Program Files" (it's why i don't included this in the addon)