How to download and update a large list of programs?

Sorry for late reply.

When I wrote the original post, I had already set up adb in environment variables (I double checked and typing adb version (from a cmd prompt in adb.exe location folder) will return expected results, that is installed version of adb on the machine).

From there, what adb command can I use ? What do you suggest ?

I wrote (see last part of previous comment) a rough draft of adb command I have in mind to use. Not sure if there is any docs page about this use scenario.

I checked fdroidcl github repo page, but I couldn’t find any info.

Any improvements since then? I still can’t make it work.