If Firefox is configured to block pop-ups, click allow to allow the installation window to open.

如果Firefox配置为阻止弹出窗口，单击Allow允许打开安装窗口。

youdao

If Firefox is configured to block pop-ups, click allow to allow the installation window to open.

如果Firefox配置为阻止弹出窗口，单击Allow允许打开安装窗口。

youdao