Whilst the August roll-up update was formally called Windows 8.1 Update 2 this November roll-up could be considered Update 3 and are basically like mini service packs. It should be available via Windows update but the standalone is also available from the links below:
This update includes the...
error codes
hardware support
installation
known issues
maintenance
manageability
microsoft
performance
printer support
reliability
rollup
sd card
security
service pack
troubleshooting
uefi
update3
usb debugging
virtual machine
windows 8.1
