I'd much rather have Oldrim myself; I much prefer the look of DX9 with an ENB than DX11; also I could run Oldrim on XP machines.
sanscript: That version doesn't include the 3 DLCs, so you need to find the link to those aswell, and in total the cost is way more than the Special Edition.
By Bethesdas orders, the Original version without the DLCs was hidden, and the complete edition, Legendary Edition, was removed.
EDIT:
You can see how much it will cost you here...
How to get OLDRIM and its DLCs:
https://steamcommunity.com/sharedfiles/filedetails/?id=1638381073 About 44 Euro against 12 Euro for the SE version here...
I'd rather have Oldrim DRM free.