Arria 10 GX otsu not working

hey,

so as i was told i tried to intall the 1.2 acceleration stack from the archive but the download is not available for this version i am able to download the 1.0 version but not the 1.2

https://www.intel.com/content/www/us/en/software-kit/665889/intel-pac-with-intel-arria-10-gx-fpga-aceleration-stack-version-1-2.html

this is the link i am trying to access and i am unable to download