I dont think any of you quite get it, as I've stated, there is NO option to activate via phone number, infact, there is no option to activate at all.
The "Software Licensing" screen that your guides instruct be pulled up only has one option in my case, "Go online and resolve now" with NO other options. And, of course, Microsoft's website claims that my copy isn't genuine and that I should purchase a genuine copy immediately.
I tried using the "change your product key" option, but recieved an error code 0x8007000D