您应该选择"sideload"模式。详细信息：

You should select "sideload" mode. The detailed stpes:

1。前往设置>更新&恢复并点按"For Developers"

2.您将在此处找到三个选项。选择第二个允许您从其他来源侧载应用程序。

3.接下来，将应用程序的appx文件传输/复制到您的电话/ SD卡存储。

4.通过文件浏览器浏览到该文件，点击该文件，它将抛出一个安装提示。

5.如果你真的想尝试一下，点击安装，否则点按取消。

1. Head to Settings > Update & Recovery and tap on "For Developers"
2. You will find three options here. Choose the second one which lets you sideload apps from other sources.
3. Next, transfer/copy the appx file of the app to your Phone/SD Card storage.
4. Browse to the file via File Explorer, tap on the file and it will throw an install prompt.
5. If you really want to give it a try, tap Install else tap cancel.

如果一切顺利，你会在20秒内在应用程序列表下找到该应用程序。

If all goes well, you will find the app under the app list under 20 sec.