查找所有已安装的软件及安装目录

在注册表下

RegistryKey hklm_currentUser_32 = RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Registry32);

RegistryKey hklm_currentUser_64 = RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Registry64);

RegistryKey hklm_localMachine_32 = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32);

RegistryKey hklm_localMachine_64 = RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64);

OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall")

读取子节点的：

DisplayName

DisplayVersion

InstallDate

Publisher

InstallLocation

UninstallString