From the Full Product Download page, Enter "12.0.1.mp04" (including the quotes) in the Search box to see a list of links to the release letter and the release package.
Alternatively, the release package can be found using the file navigator by selecting 'NX' from the menu on the left of the page and then expanding the following folders: Product updates > Maintenance-packs > Nx12 > Windows (64-bit).
Sincerely,
Siemens Product Lifecycle Management Software Inc. Digital Factory Division SFB-NX-8002483 Product Information:
Block/UI Interface Stylers
Knowledge Fusion
Menuscript
NX Open - All Languages
NX Open Python
Open for C/C++
Open for CAE
Open for GRIP
Open for Java
Pre-NX6 UI Styler
SNAP
UDO