to install this rom you need safestrap recovery installed, it is very easy
(Removed since you are on NC2)
download these files and put on your sdcard
ATT_N3_[Lollipop]Aurora-Note3-Full-G9200-Port-ver3.zip 1.53 GB
https://mega.nz/#!LJcw2AYb!0CLuXfTJ2oEioH3_Osh0gizBW19et8NBGxtKc-9_6VM
SM-N900A_OC1_Firmware_Recovery-Flashable.zip 49.0 MB
https://mega.nz/#!bMlBnSyZ!5v1-_p57s7es95Oj33n1mQ9EseDastIegMcT0MEu5XY
tr.apk Towel root to root NC2
http://forum.xda-developers.com/attachment.php?attachmentid=3119871&d=1421514714
stericson.busybox-3.apk used for Safestrap install
http://forum.xda-developers.com/attachment.php?attachmentid=3119875&d=1421514816
Safestrap-HLTEATT-NC2-3.75-B03.apk used to install SafeStrap Recovery
http://forum.xda-developers.com/attachment.php?attachmentid=3119865&d=1421514108
install tr.apk and run and let it Rain
install the stericson.busybox-3.apk, then run the app to install busy box, make sure it says it was successful
the install Safestrap-HLTEATT-NC2-3.75-B03.apk
run the Safestrap app and install recovery
boot to recovery and do a factory wipe
install the rom ATT_N3_[Lollipop]Aurora-Note3-Full-G9200-Port-ver3.zip 1.53 GB
(My addition - Installed Wifi Fix download from the OP)
install the SM-N900A_OC1_Firmware_Recovery-Flashable.zip 49.0 MB
reboot and setup your new rom.