Complex sentence: OpenVMS also runs on the HP Itanium-based families of computers, and as of 2015, a port to the X86-64 architecture is underway (anticipated release in 2018).
Split into simpler sentences: OpenVMS also runs on the HP Itanium-based families of computers. As of 2015, a port to the X86-64 architecture is underway (anticipated release in 2018).