fixes #53254

src/vs/code/electron-main/menus.ts

@@ -1015,7 +1015,7 @@ export class CodeMenu {
 		const w = this.windowsMainService.getFocusedWindow();
 		if (w && w.win) {
 			const contents = w.win.webContents;
-			if (w.hasHiddenTitleBarStyle() && !w.win.isFullScreen() && !contents.isDevToolsOpened()) {
+			if (isMacintosh && w.hasHiddenTitleBarStyle() && !w.win.isFullScreen() && !contents.isDevToolsOpened()) {
 				contents.openDevTools({ mode: 'undocked' }); // due to https://github.com/electron/electron/issues/3647
 			} else {
 				contents.toggleDevTools();

src/vs/platform/windows/electron-main/windowsService.ts

@@ -23,7 +23,7 @@ import { IWorkspaceIdentifier, IWorkspaceFolderCreationData } from 'vs/platform/
 import { ISerializableCommandAction } from 'vs/platform/actions/common/actions';
 import { Schemas } from 'vs/base/common/network';
 import { mnemonicButtonLabel } from 'vs/base/common/labels';
-import { isWindows } from 'vs/base/common/platform';
+import { isWindows, isMacintosh } from 'vs/base/common/platform';
 import { ILogService } from 'vs/platform/log/common/log';
 
 export class WindowsService implements IWindowsService, IURLHandler, IDisposable {
@@ -133,7 +133,7 @@ export class WindowsService implements IWindowsService, IURLHandler, IDisposable
 
 		if (codeWindow) {
 			const contents = codeWindow.win.webContents;
-			if (codeWindow.hasHiddenTitleBarStyle() && !codeWindow.win.isFullScreen() && !contents.isDevToolsOpened()) {
+			if (isMacintosh && codeWindow.hasHiddenTitleBarStyle() && !codeWindow.win.isFullScreen() && !contents.isDevToolsOpened()) {
 				contents.openDevTools({ mode: 'undocked' }); // due to https://github.com/electron/electron/issues/3647
 			} else {
 				contents.toggleDevTools();