Methods to update a torrent

Below is a summary of three basic methods to updating torrents.

"Overwrite and TorrentCheck" method
Makes it possible to join a torrent at a lower percentage of completion but is very easy:

"Dat-file with a ROM manager" method
Requires running a ROM Manager with a DAT File.

Makes it possible to join a torrent at the highest percentage of completion possible but is more complex.

Has three basic alternatives (pick only one):

"Manual update" method
Doesn't use a ROM Manager.

Isn't feasible for almost all torrents because it would take too long and is highly prone to error:

Considerations
The best method to update a torrent depends on the total amount of files, amount of files that were modified, file sizes, folder structure, compression format, applications used and speed of the computer employed.

Some method possibilities (not recommendations):