There are 2 ways 

From the Futur™ Dashboard 
https://thefutur.com/pro-group/dashboard

 

Or directly using this link:

https://futurprogroup.circle.so/home

 

Choose: 

'Continue with The Futur™'
If you signed up with The Futur™ Pro Group after 2021

But if you've signed up with The Futur™ Pro Group before 2021
pick 
'Use Circle to Sign In'

If you are still not able to sign in 
please reach out to 

andres@thefutur.com for help