chrome flex

Good day, I saw the recent post, included below and have attempted to carry out the instructions multiple times, to no avail. https://www.parallels.com/blogs/run-chrome-os-flex-in-parallels-desktop-for-mac/?srsltid=AfmBOoqBAs1kMlJ-WkV_Mq04KXQwGpASts6p4W6zX-64MaHcEF9_l-Wk Parallels won't read...