Please provide UMC404HD Driver 3.29 to enable 3-4 track recoding

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Hi there, 



I recently purchased 3 mics to record a podcast, but Audacity only recognizes OUT 1-2 / OUT 3-4. Host driver is WASAPI. 

Please provide a link to download the UMC404HD Driver 3.29 which supposedly does support multi input recording via Audacity. 

Other solutions also fine.