new BrowserWindow({
    webPreferences: {
      nodeIntegration: true,
      enableRemoteModule: true, // ←を追加する。
    },
    width: 800, height: 600,
});

enableRemoteModule Boolean (optional) - Whether to enable the remote module. Default is false.
[【ドキュメント】BrowserWindow | Electron]
(https://www.electronjs.org/docs/api/browser-window#new-browserwindowoptions)

javascript - Electron JS - Cannot destructure property 'BrowserWindow' of 'require(...).remote' as it is undefined - Stack Overflow