From Youtube and Google.
I see that long path limit can be turn off, but not in File explorer.
Is there a way to enable long path in File Explorer or an open source software to use as a file explorer replacement that is seamless?
I don’t care about software incompatibility, I could move some file manually and open in softwares that doesn’t support long path.

Is this data ON your Windows computer, or are you mounting it from a NAS?
If it’s on a NAS you can sometimes get around this by having more mounts further up the tree.