diff --git a/setupapi/setupapi_windows.go b/setupapi/setupapi_windows.go
index 3fa0cbb..89fb3e4 100644
--- a/setupapi/setupapi_windows.go
+++ b/setupapi/setupapi_windows.go
@@ -20,6 +20,8 @@ import (
 //sys	setupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Scope DICS_FLAG, HwProfile uint32, KeyType DIREG, samDesired uint32) (key windows.Handle, err error) [failretval==windows.InvalidHandle] = setupapi.SetupDiOpenDevRegKey
 //sys	setupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) = setupapi.SetupDiGetDeviceInstallParamsW
 //sys	setupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) = setupapi.SetupDiSetDeviceInstallParamsW
+//sys	SetupDiGetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32, RequiredSize *uint32) (err error) = setupapi.SetupDiGetClassInstallParamsW
+//sys	SetupDiSetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32) (err error) = setupapi.SetupDiSetClassInstallParamsW
 
 // SetupDiGetClassDevsEx function returns a handle to a device information set that contains requested device information elements for a local or a remote computer.
 func SetupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator string, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName string) (handle DevInfo, err error) {
diff --git a/setupapi/types_windows.go b/setupapi/types_windows.go
index e8fe650..e2617a4 100644
--- a/setupapi/types_windows.go
+++ b/setupapi/types_windows.go
@@ -208,3 +208,55 @@ type DevInstallParams struct {
 	FileQueue                HSPFILEQ
 	DriverPath               string
 }
+
+// DI_FUNCTION is function type for device installer
+type DI_FUNCTION uint32
+
+const (
+	DIF_SELECTDEVICE                   DI_FUNCTION = 0x00000001
+	DIF_INSTALLDEVICE                  DI_FUNCTION = 0x00000002
+	DIF_ASSIGNRESOURCES                DI_FUNCTION = 0x00000003
+	DIF_PROPERTIES                     DI_FUNCTION = 0x00000004
+	DIF_REMOVE                         DI_FUNCTION = 0x00000005
+	DIF_FIRSTTIMESETUP                 DI_FUNCTION = 0x00000006
+	DIF_FOUNDDEVICE                    DI_FUNCTION = 0x00000007
+	DIF_SELECTCLASSDRIVERS             DI_FUNCTION = 0x00000008
+	DIF_VALIDATECLASSDRIVERS           DI_FUNCTION = 0x00000009
+	DIF_INSTALLCLASSDRIVERS            DI_FUNCTION = 0x0000000A
+	DIF_CALCDISKSPACE                  DI_FUNCTION = 0x0000000B
+	DIF_DESTROYPRIVATEDATA             DI_FUNCTION = 0x0000000C
+	DIF_VALIDATEDRIVER                 DI_FUNCTION = 0x0000000D
+	DIF_DETECT                         DI_FUNCTION = 0x0000000F
+	DIF_INSTALLWIZARD                  DI_FUNCTION = 0x00000010
+	DIF_DESTROYWIZARDDATA              DI_FUNCTION = 0x00000011
+	DIF_PROPERTYCHANGE                 DI_FUNCTION = 0x00000012
+	DIF_ENABLECLASS                    DI_FUNCTION = 0x00000013
+	DIF_DETECTVERIFY                   DI_FUNCTION = 0x00000014
+	DIF_INSTALLDEVICEFILES             DI_FUNCTION = 0x00000015
+	DIF_UNREMOVE                       DI_FUNCTION = 0x00000016
+	DIF_SELECTBESTCOMPATDRV            DI_FUNCTION = 0x00000017
+	DIF_ALLOW_INSTALL                  DI_FUNCTION = 0x00000018
+	DIF_REGISTERDEVICE                 DI_FUNCTION = 0x00000019
+	DIF_NEWDEVICEWIZARD_PRESELECT      DI_FUNCTION = 0x0000001A
+	DIF_NEWDEVICEWIZARD_SELECT         DI_FUNCTION = 0x0000001B
+	DIF_NEWDEVICEWIZARD_PREANALYZE     DI_FUNCTION = 0x0000001C
+	DIF_NEWDEVICEWIZARD_POSTANALYZE    DI_FUNCTION = 0x0000001D
+	DIF_NEWDEVICEWIZARD_FINISHINSTALL  DI_FUNCTION = 0x0000001E
+	DIF_UNUSED1                        DI_FUNCTION = 0x0000001F
+	DIF_INSTALLINTERFACES              DI_FUNCTION = 0x00000020
+	DIF_DETECTCANCEL                   DI_FUNCTION = 0x00000021
+	DIF_REGISTER_COINSTALLERS          DI_FUNCTION = 0x00000022
+	DIF_ADDPROPERTYPAGE_ADVANCED       DI_FUNCTION = 0x00000023
+	DIF_ADDPROPERTYPAGE_BASIC          DI_FUNCTION = 0x00000024
+	DIF_TROUBLESHOOTER                 DI_FUNCTION = 0x00000026
+	DIF_POWERMESSAGEWAKE               DI_FUNCTION = 0x00000027
+	DIF_ADDREMOTEPROPERTYPAGE_ADVANCED DI_FUNCTION = 0x00000028
+	DIF_UPDATEDRIVER_UI                DI_FUNCTION = 0x00000029
+	DIF_FINISHINSTALL_ACTION           DI_FUNCTION = 0x0000002A
+)
+
+// SP_CLASSINSTALL_HEADER is the first member of any class install parameters structure. It contains the device installation request code that defines the format of the rest of the install parameters structure.
+type SP_CLASSINSTALL_HEADER struct {
+	Size            uint32
+	InstallFunction DI_FUNCTION
+}
diff --git a/setupapi/zsetupapi_windows.go b/setupapi/zsetupapi_windows.go
index a569219..d09c8dd 100644
--- a/setupapi/zsetupapi_windows.go
+++ b/setupapi/zsetupapi_windows.go
@@ -46,6 +46,8 @@ var (
 	procSetupDiOpenDevRegKey            = modsetupapi.NewProc("SetupDiOpenDevRegKey")
 	procSetupDiGetDeviceInstallParamsW  = modsetupapi.NewProc("SetupDiGetDeviceInstallParamsW")
 	procSetupDiSetDeviceInstallParamsW  = modsetupapi.NewProc("SetupDiSetDeviceInstallParamsW")
+	procSetupDiGetClassInstallParamsW   = modsetupapi.NewProc("SetupDiGetClassInstallParamsW")
+	procSetupDiSetClassInstallParamsW   = modsetupapi.NewProc("SetupDiSetClassInstallParamsW")
 )
 
 func setupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator *uint16, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName *uint16, reserved uintptr) (handle DevInfo, err error) {
@@ -133,3 +135,27 @@ func setupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEV
 	}
 	return
 }
+
+func SetupDiGetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32, RequiredSize *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procSetupDiGetClassInstallParamsW.Addr(), 5, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(unsafe.Pointer(ClassInstallParams)), uintptr(ClassInstallParamsSize), uintptr(unsafe.Pointer(RequiredSize)), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
+func SetupDiSetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procSetupDiSetClassInstallParamsW.Addr(), 4, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(unsafe.Pointer(ClassInstallParams)), uintptr(ClassInstallParamsSize), 0, 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}