unactivated window is not a pirate version of windows.
basically you start down a timeline(180 days I think), where you will be nagged to activate, then they stop letting you do certain features, and at some point you are only allowed to activate.
OR you can sign up for the microsoft preview program https://insider.windows.com/
and and then switch your build to the slow ring so it is not updated so often.
bugs and error reports are sent to microsoft as they occur. (just like on regular version of windows)
if you drop out of the program, your license activation timer might start again.
I really figure it does not matter anyway, windows 10 license already indicates you have to update your OS withing 6 months.
(your unactivated...