There will not be a 16.3 version of Schematics, the site does say that Cadence may withdraw support for this at any time and, after 10 years, suppport of Schematics has ended.
Try to use spice encoding :)
Vin 1 0 dc 10V
R1 1 2 1k
R2 2 0 1k
There is a tutorial on spice without schematic capture here: http://www.seas.upenn.edu/~jan/spice/spice.overview.html