Right click, copy, new destination and paste.

Then run so many copies with one executable.
And so many with the other.

For patching, just patch one of them and copy/paste.
You might want to paste the WTF files for each specific character on both copies.
So you can run any toon from either, fine.

With more then one drive, you will not want to sym link.
Since that would have the other copy use the first copy for certain files.





I'd consider a low end SSD, purely for your gaming folder.

If the hard disk is your bottleneck, this will help immensely.

And even if something else is the bottleneck, it is a huge upgrade which will remain useful for quite some time.