regarding migrations from on verison to other

hi ,
am samad ,
i am new in Hyperion Essbase , i am small doubt regarding migrations.

the problem is that " if i want to migrate my whole project from
version 6.5 to some 7.1 or 8 version,

what the main steps should i take and where can we find this option in
the hpyerion ,

how can we do ,
please tell me step by step basis

please send me the solution as soon as possible

regards
mady

.