Looking for Altera-SoCFPGA-HardwareLib-XXX-CV-GNU.tar.gz

Hi, I saw there are some examples, e.g. https://www.intel.com/content/dam/altera-www/global/en_US/others/support/examples/soc/Altera-SoCFPGA-HardwareLib-SDMMC-CV-GNU-readme.txt But I am not able t...