Do torrents download faster if you do less consecutively - your opinion
Give higher download priority to specific parts of file in a BitTorrent client?
No, there is no way to prioritize an arbitrary part of the file. Years ago, I asked the devs of eMule to implement this feature because sometimes while watching a show, the network cuts off the last minute or I’d miss a few seconds after one of the commercial breaks, and I didn’t want to download an entire episode just to watch a few seconds. They shot the idea down, stating that it would hurt the swarm if people could pick and choose what they get.
It is no different with µTorrent, or any other P2P system that relies on evenly distributing parts of a file among the peers.
The closest thing to this is the ability (usually set to off by default) to prioritize the first and last part of the file which was done specifically so that the file can be verified as genuine and not a fake (because most file-types put the header and meta-data at the beginning and a few put it at the end).
In µTorrent, set the advanced option:
-