diff --git a/core/sys/windows/types.odin b/core/sys/windows/types.odin
index b9ff6998a..af28a9060 100644
--- a/core/sys/windows/types.odin
+++ b/core/sys/windows/types.odin
@@ -3232,10 +3232,14 @@ LWSTDAPI :: HRESULT
 
 CLSID_FileOpenDialog := &GUID{0xDC1C5A9C, 0xE88A, 0x4DDE, {0xA5, 0xA1, 0x60, 0xF8, 0x2A, 0x20, 0xAE, 0xF7}}
 CLSID_FileSaveDialog := &GUID{0xC0B4E2F3, 0xBA21, 0x4773, {0x8D, 0xBA, 0x33, 0x5E, 0xC9, 0x46, 0xEB, 0x8B}}
+CLSID_TaskbarList := &GUID{0x56FDF344, 0xFD6D, 0x11d0, {0x95, 0x8A, 0x00, 0x60, 0x97, 0xC9, 0xA0, 0x90}}
 
 IID_IFileDialog := &GUID{0x42F85136, 0xDB7E, 0x439C, {0x85, 0xF1, 0xE4, 0x07, 0x5D, 0x13, 0x5F, 0xC8}}
 IID_IFileSaveDialog := &GUID{0x84BCCD23, 0x5FDE, 0x4CDB, {0xAE, 0xA4, 0xAF, 0x64, 0xB8, 0x3D, 0x78, 0xAB}}
 IID_IFileOpenDialog := &GUID{0xD57C7288, 0xD4AD, 0x4768, {0xBE, 0x02, 0x9D, 0x96, 0x95, 0x32, 0xD9, 0x60}}
+IID_ITaskbarList := &GUID{0x56FDF342, 0xFD6D, 0x11d0, {0x95, 0x8A, 0x00, 0x60, 0x97, 0xC9, 0xA0, 0x90}}
+IID_ITaskbarList2 := &GUID{0x602D4995, 0xB13A, 0x429b, {0xA6, 0x6E, 0x19, 0x35, 0xE4, 0x4F, 0x43, 0x17}}
+IID_ITaskbarList3 := &GUID{0xea1afb91, 0x9e28, 0x4b86, {0x90, 0xe9, 0x9e, 0x9f, 0x8a, 0x5e, 0xef, 0xaf}}
 
 IModalWindow :: struct #raw_union {
 	#subtype IUnknown: IUnknown,
@@ -3540,6 +3544,84 @@ IFileSaveDialogVtbl :: struct {
 	ApplyProperties:        proc "stdcall" (this: ^IFileSaveDialog, psi: ^IShellItem, pStore: ^IPropertyStore, hwnd: HWND, pSink: ^IFileOperationProgressSink) -> HRESULT,
 }
 
+ITaskbarList :: struct #raw_union {
+	#subtype IUnknown: IUnknown,
+	using Vtbl: ^ITaskbarListVtbl,
+}
+ITaskbarListVtbl :: struct {
+	using IUnknownVtbl: IUnknownVtbl,
+	HrInit: proc "stdcall" (this: ^ITaskbarList) -> HRESULT,
+	AddTab: proc "stdcall" (this: ^ITaskbarList, hwnd: HWND) -> HRESULT,
+	DeleteTab: proc "stdcall" (this: ^ITaskbarList, hwnd: HWND) -> HRESULT,
+	ActivateTab: proc "stdcall" (this: ^ITaskbarList, hwnd: HWND) -> HRESULT,
+	SetActiveAlt: proc "stdcall" (this: ^ITaskbarList, hwnd: HWND) -> HRESULT,
+}
+
+ITaskbarList2 :: struct #raw_union {
+	#subtype ITaskbarList: ITaskbarList,
+	using Vtbl: ^ITaskbarList2Vtbl,
+}
+ITaskbarList2Vtbl :: struct {
+	using ITaskbarListVtbl: ITaskbarListVtbl,
+	MarkFullscreenWindow: proc "stdcall" (this: ^ITaskbarList2, hwnd: HWND, fFullscreen: BOOL) -> HRESULT,
+}
+
+TBPFLAG :: enum c_int {
+	NOPROGRESS    = 0,
+	INDETERMINATE = 0x1,
+	NORMAL        = 0x2,
+	ERROR         = 0x4,
+	PAUSED        = 0x8,
+}
+
+THUMBBUTTONFLAGS :: enum c_int {
+	ENABLED        = 0,
+	DISABLED       = 0x1,
+	DISMISSONCLICK = 0x2,
+	NOBACKGROUND   = 0x4,
+	HIDDEN         = 0x8,
+	NONINTERACTIVE = 0x10,
+}
+
+THUMBBUTTONMASK :: enum c_int {
+	BITMAP  = 0x1,
+	ICON    = 0x2,
+	TOOLTIP = 0x4,
+	FLAGS   = 0x8,
+}
+
+THUMBBUTTON :: struct {
+	dwMask: THUMBBUTTONMASK,
+	iId: UINT,
+	iBitmap: UINT,
+	hIcon: HICON,
+	szTip: [260]WCHAR,
+	dwFlags: THUMBBUTTONFLAGS,
+}
+LPTHUMBBUTTON :: ^THUMBBUTTON
+
+HIMAGELIST :: ^IUnknown
+
+ITaskbarList3 :: struct #raw_union {
+	#subtype ITaskbarList2: ITaskbarList2,
+	using Vtbl: ^ITaskbarList3Vtbl,
+}
+ITaskbarList3Vtbl :: struct {
+	using ITaskbarList2Vtbl: ITaskbarList2Vtbl,
+	SetProgressValue: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, ullCompleted: ULONGLONG, ullTotal: ULONGLONG) -> HRESULT,
+	SetProgressState: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, tbpFlags: TBPFLAG) -> HRESULT,
+	RegisterTab: proc "stdcall" (this: ^ITaskbarList3, hwndTab: HWND, hwndMDI: HWND) -> HRESULT,
+	UnregisterTab: proc "stdcall" (this: ^ITaskbarList3, hwndTab: HWND) -> HRESULT,
+	SetTabOrder: proc "stdcall" (this: ^ITaskbarList3, hwndTab: HWND, hwndInsertBefore: HWND) -> HRESULT,
+	SetTabActive: proc "stdcall" (this: ^ITaskbarList3, hwndTab: HWND, hwndMDI: HWND, dwReserved: DWORD) -> HRESULT,
+	ThumbBarAddButtons: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, cButtons: UINT, pButton: LPTHUMBBUTTON) -> HRESULT,
+	ThumbBarUpdateButtons: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, cButtons: UINT, pButton: LPTHUMBBUTTON) -> HRESULT,
+	ThumbBarSetImageList: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, himl: HIMAGELIST) -> HRESULT,
+	SetOverlayIcon: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, hIcon: HICON, pszDescription: LPCWSTR) -> HRESULT,
+	SetThumbnailTooltip: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, pszTip: LPCWSTR) -> HRESULT,
+	SetThumbnailClip: proc "stdcall" (this: ^ITaskbarList3, hwnd: HWND, prcClip: ^RECT) -> HRESULT,
+}
+
 MEMORYSTATUSEX :: struct {
 	dwLength:                DWORD,
 	dwMemoryLoad:            DWORD,