Download the android studio and flutter sdk from flutter.io.
put the flutter sdk in C: and copy the path where you put the flutter sdk, in my case
C:/flutter/bin so this is my path i have to put this in enviorment variable.
open This pc then after opening click right and go to properties and click on Advance system setting.
and then at the botton of new window there is an button of Eviorment variable click on that and
find the Path under the variable column, just hit it and make a new path there, and paste the path there, and
open cmd for checking flutter
type flutter in cmd. if it is run you are done.