You must ensure you are installing AAX 32-bit or TDM/RTAS versions of plugins. Modern 64-bit-only plugins will not show up.
Some legendary TDM plugins were never ported to the 64-bit AAX format. Avid Pro Tools HD 10
Accel Core and Process cards (PCIe) or the older PCI-X cards. You must ensure you are installing AAX 32-bit
Improved timeline performance and smoother handling of thousands of clips. Accel Core and Process cards (PCIe) or the older PCI-X cards
Are you planning on with older PCIe cards, or are you trying to modernize an existing HD 10 session for a newer version of Pro Tools?
While Pro Tools has moved on to version 2024.x with 64-bit processing and ARA integration, HD 10 persists because:
HD 10 was the final version of Pro Tools to support and the older blue-faced HD interfaces (like the 192 I/O). It was also the first version to introduce AAX plugins , though only in a 32-bit format. This makes it the only version where you can run legacy DSP-based plugins alongside the modern AAX format. 2. Standout Features of HD 10