>>535538041
you wouldn't need it if you play on NG already. it just patches archives to their previous version, so they can load in old gen without needing BASS. you can use it if you're opposed to using the script extender, or in my case, I use it to downgrade mod archives that I want to open with bethesda archive extractor (BAE). BAE hasn't been updated since 2018, and won't open NG archives, only showing a blank box instead of their contents. downgrading the archives takes a couple of clicks and about a second to patch, and it lets me open them with BAE so I can extract the files. I can repack them with archive2 if I choose to edit or add anything.