Install Pro Tools 103 10 On High Sierra New! May 2026

Note: Avid does not officially support this configuration. Pro Tools 10’s last officially supported OS was Mountain Lion (10.8.5). However, with workarounds, it can run on High Sierra, though not perfectly. This guide is for legacy users who need old RTAS/32-bit plugins or TDM hardware.

Known Issues & Workarounds

| Issue | Solution | |-------|----------| | No audio from Built-in Output | Install Soundflower or use an aggregate device. PT10’s CoreAudio driver conflicts with High Sierra’s. | | Video engine fails to load | Disable video engine in Setup > Preferences. PT10’s video engine is 32-bit and unstable on High Sierra. | | GUI artifacts / flickering | Turn off “Dynamic Transport” and run in Low Resolution mode (Get Info on Pro Tools.app > check “Open in Low Resolution”). | | Can’t save session | Run Disk Utility > First Aid on your drive. APFS volumes sometimes deny PT10 write access. | | iLok not recognized | Uninstall PACE drivers (use their uninstaller), reboot, reinstall v3.0.0. | install pro tools 103 10 on high sierra

After successfully installing Pro Tools 10.3.10 on High Sierra, we evaluated its performance and compatibility. Note: Avid does not officially support this configuration

Just a heads-up for anyone still relying on Pro Tools 10 (the last 32-bit version) while trying to stay somewhat current on macOS. Officially, Pro Tools 10 is only supported up to OS X 10.8.5 (Mountain Lion). However, with a few tweaks, I got PT 10.3.10 running on High Sierra (10.13.6). This guide is for legacy users who need