Authorization

• Pro Tools 12.3 software requires a Pro Tools 12 iLok authorization (license) to run
• Pro Tools HD 12.3 software requires both Pro Tools 12 and Pro Tools HD 12 iLok authorizations (licenses) to run
• Review the licenses on your iLok at ilok.com or in iLok License Manager
• See the Support section of ilok.com for assistance with iLok License Manager, your iLok account, etc.

Installation

• Pro Tools 12.3 is a full installer (not an updater that requires a previous version installed).
• Pro Tools 12.3 uses a single installer for both Pro Tools and Pro Tools HD, only the iLok authorization is different
• Virtual Instruments and Effects for Pro Tools 12 are installed by the First AIR Effects Bundle and First AIR Instruments Bundle (formerly a single Creative Collection Installer in PT11).  Run these in addition to the Pro Tools installer. (more info)
• Pro Tools HDX/HD Native Mac users, be sure to install the matching HD Driver. The HD driver may be found in the Driver Installers folder included in the 12.3 download.
• Non-HD users, please install the latest compatible driver for your Avid interface
• See the Pro Tools 12 Software Installation Guide for complete instructions

Co-Installation

• Pro Tools 12.3 co-install with Pro Tools 10.x is supported using Mac OS X 10.8.5 Mountain Lion (details)
• Pro Tools 12.3 co-install with Media Composer (details)
• Co-install of Pro Tools 12.x and Media Composer on Windows does not allow Media Composer to be a Video Satellite (details)

HDX Firmware Update

• Pro Tools 11.2.2 and higher requires a firmware update for HDX cards
• Firmware update takes place during Pro Tools launch
• The firmware update was tested for backwards compatibility with Pro Tools 10.3.6 and later

Late Breaking Technical Issues

• HD hardware is not supported by CoreAudio on Yosemite. iTunes users, please check the Read Me. Native Instruments users, click here
• See the Windows Read Me for limitations with WASAPI support (added in v12.0)
• Click here for Pro Tools 12.x Satellite Link and Video Satellite compatibility updates
• Mac OS X 10.11-10.11.1 El Capitan support added 11/10/2015

Downloads

• Owners of Pro Tools 12 on a current Upgrade Plan can update via the Apps tab in Avid Application Manager
• Review the Read Me and other docs before installing or updating Pro Tools for known issues that could impact your workflow
• Upgrades from earlier versions of Pro Tools can be purchased from the Avid Store or Avid Reseller
• Avid Accounts will also have installers included in supported products:

1. Log In to https://account.avid.com
2. Click on My Products and Subscriptions
3. Click on a Pro Tools 12... product in your list
4. Click Show to see the available files
5. Click on a file name to download the file (Note: If a Server Error is preventing downloads, click here)

Attachment:  Pro Tools 12.3 Read Me - Mac.pdf

Attachment:  Pro Tools 12.3 Read Me - Windows.pdf