Ok. but poor people in India have poor Indian expenses I guess. and everything that releases globally comes to India on the same day. speaking as one of those poor Indians.
At the end of the day.. it is better to be relatively well off in a poor country than to be relatively poor in a well rich country.. for me. personally !! ymmv.
Got my 1803 update installed on a 4.x years old Lenovo g50-45 AMD, low powered machine in an hour.. no issues at all.. machine restarted few times during the installation.. and it was done..
I suggest you get a vanilla ISO from microsoft, transfer important stuff off your machine, format it with clean install, update drivers once and be done with it for the final time..
At the end of the day.. it is better to be relatively well off in a poor country than to be relatively poor in a well rich country.. for me. personally !! ymmv.