Regarding WC3 v1.13, another way to play this version could be to download from Blizzard's servers the free v1.27a digital version. And then you can downgrade it to 1.13 with a third-party downgrader.
These third-party downgraders each have their own specific merits and downfalls. afaik none of them will give you an exact binarily identical set of folders and files, especially when compared against a properly upgraded 100% official WC3 game. But hey, neither is the official v1.27a digital version to begin with when compared to a genuine 1.27a. The reason is, this version is an "a2" version, despite the full version number being identical to the one for v1.27a