Areca ARC-8050T3U 6-Bay Thunder3 Desktop RAID Storage Array - Manual (Page 33)

INSTALLATION
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4. If you have no need to change the install location or select to
install special components, you can skip the step 4-1 and
step 4-2, just click on the " Install " button to continue the
standard (default) installation procedure.
4-1. Click on the " Change Install Location " button to select
the disk where you want to install the MRAID software.