SRINIVASA RAO

Dear all , i am using windows 10 64 bit ,now it is showing windows will expire soon message, in next 5 days my windows will expire, so i wanted to activate it life time through microsoft toolkit 2.6 and i downloaded it but the problem is i am not able to install it, when i am trying to install it it shows error "connection to server error 1.344449921 so kindly solve my problem.