Speaking from personal experience, the patching process was done fairly quickly and no issues arose after testing the game on Project64 2.3.2 which is the latest public release for Windows to date.
Head over to Rom Patcher JS which is an online tool letting you patch ROMs.Download the patch file which comes in BPS format from the release post linked below.Using TLZ: Ocarina of Time version 1.2 will not work as its checksum doesn’t match that of the source ROM.Acquired a dumped version of The Legend of Zelda: Ocarina of Time (U) version 1.0 for the Nintendo 64.To get the game up and running, all that one has to do is: While Zelda: Master of Time’s release post is a bit scant on how to actually get the romhack up and running, a Reddit thread about it managed to clear up the questions that various people had. Once you manage to get your hands on Zelda: OOT 1.0, the patching process is pretty straightforward!