添加设置火狐为默认浏览器选项

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\RegisteredApplications]
"Firefox"="Software\\Clients\\StartMenuInternet\\FIREFOX.EXE\\Capabilities"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE]
@="Mozilla Firefox"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\Capabilities]
"ApplicationDescription"="Firefox enables safe and simple surfing. With a familiar interface, improved security features, including protection against identity theft, and integrated search you will get a lot more out of the Web."
"ApplicationIcon"="D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\firefox.exe,0"
"ApplicationName"="Firefox"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\Capabilities\FileAssociations]
".htm"="FirefoxHTML"
".html"="FirefoxHTML"
".shtml"="FirefoxHTML"
".xht"="FirefoxHTML"
".xhtml"="FirefoxHTML"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\Capabilities\StartMenu]
"StartMenuInternet"="FIREFOX.EXE"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\Capabilities\URLAssociations]
"ftp"="FirefoxURL"
"http"="FirefoxURL"
"https"="FirefoxURL"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\DefaultIcon]
@="D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\firefox.exe,0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\InstallInfo]
"HideIconsCommand"="\"D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\uninstall\\helper.exe\" /HideShortcuts"
"IconsVisible"=dword:00000001
"ReinstallCommand"="\"D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\uninstall\\helper.exe\" /SetAsDefaultAppGlobal"
"ShowIconsCommand"="\"D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\uninstall\\helper.exe\" /ShowShortcuts"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell]

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\open]

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\open\command]
@="D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\firefox.exe"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\properties]
@="Firefox-Options"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\properties\command]
@="\"D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\firefox.exe\" -preferences"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\safemode]
@="Firefox-Safe Mode"

[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\safemode\command]
@="\"D:\\Program Files\\English\\auxiliary\\Mozilla Firefox\\firefox.exe\" -safe-mode"

参考资料：
http://forums.mozillazine.org/viewtopic.php?f=38&t=2423783#
https://arstechnica.com/civis/viewtopic.php?f=15&t=264451
https://support.microsoft.com/en-us/help/310516/how-to-add-modify-or-delete-registry-subkeys-and-values-by-using-a-reg
https://docs.microsoft.com/en-us/windows/desktop/shell/start-menu-reg

添加设置火狐为默认浏览器选项

原文：https://www.cnblogs.com/jankz/p/10500581.html