Airac in MSFS 2020

I had to reinstall my system and no longer know how to take airac.
Currently I have airac 2404, MS2020, PMDG 737, A320 FBW.
How can I see what airac is installed for which programs?
I remember from the past a tool called Download Manager. Does that still exist?
Sorry for my English with Google.

I have now found the answers

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