Where to click to combine files once they are loaded into Foxit interface?

[creal]

Hello,
I am facing an issue: I want to combine files via the explorer context menu. I select the files, I click on "combine files" then Foxit opens, displays a list of loaded files, but I can't choose "okay", or "combine" (see attached pic). Where to click to finally combine files into a new one?
Sorry if it's relatively easy. The old interface was simpler.
Thanks.

[cherry]

creal

In this case, we could click on "Combine Files" menu, then hit "Combine" to combine the files. You'll also see there's a pin sign at the cornder of the toolbar, you could click on it to make the toolbar remain expanded. See the following screenshot:

[creal]

Hello Cherry,
Thank you. It works like a charm.
creal.