The method is same for both of the websites.
Go to:
.tech domain : www.get.tech
.space domain : www.get.space
Select any of these or both .SPACE or .TECH domain name for 1 year
Click "No Thanks & Continue"
Remove privacy protection from your cart.
Use code – GOVHACKNZ – at checkout to get a domain for free.
Create an account and place order.
Done