Which mod are you trying to install?
It sounds as if you have not extracted the mod. You have to extract it and create a folder containing multiple files.
Keka's default action with an unknown file is to compress it. It does not know that a .civ5mod file is a compressed (7z) archive unless you tell it so. There are a couple of ways to to this.
The best method is described in the first post - download and install my modified copy of the Keka preferences. This adds .civ5mod to Keka as a known compressed file type, so when you drop one of these files onto it, it extracts it.
If you are not happy with swapping preferences files, then I described an alternative method in post #263 earlier in this thread.
Yet another option is to change the .civ5mod file name extension to .7z, which Keka does recognise.
It sounds as if you have not extracted the mod. You have to extract it and create a folder containing multiple files.
Keka's default action with an unknown file is to compress it. It does not know that a .civ5mod file is a compressed (7z) archive unless you tell it so. There are a couple of ways to to this.
The best method is described in the first post - download and install my modified copy of the Keka preferences. This adds .civ5mod to Keka as a known compressed file type, so when you drop one of these files onto it, it extracts it.
If you are not happy with swapping preferences files, then I described an alternative method in post #263 earlier in this thread.
Yet another option is to change the .civ5mod file name extension to .7z, which Keka does recognise.