Yes, I have followed those directions - step-by-step. PC at home is running Windows 7 Home Premium SP1 and is up-to-date. Work PC is running Windows 10 Pro Version 1607. The download icon is missing on both PCs. I was able to get it from someone with a Mac - miraculously the icon was on the Mac! Beginning to have my doubts whether it's available on a PC at all. From a thumb-drive Mac user provided me with, I downloaded Migration Assistant last night on home PC and started the migration around 9pm. It appears to be stuck....little or no movement (hard to tell) on the bar.
I Googled "Migration Assistant Stuck" and got lots of hits, apparently nothing new here.
I have iPhone, iPad, iPod and have just made the switch to iMac (it's brand new and think it has High Sierra). So far, conversion over not going so well. 😟