: At least 4.0 GB for installation; some distributions may require up to 12 GB.
: Windows 7 SP1 (32-bit or 64-bit), Windows 8.1 with Update KB2919355 , or Windows 10 (64-bit only). autodesk-autocad-2018-kuyhaa
Commonly cited guides on Scribd and video tutorials outline the following steps for setting up these versions: AutoCAD 2018 - Installation : At least 4