Check the SAPI 5 voices.  There are SAPI 5 versions of One Core Voices.  Perhaps that is where the voices installed.

Gene

On 7/26/2022 12:25 PM, Sharni-Lee Ward wrote:

So I went and installed the packages, but can't see them in NVDA's voice dropdown for 1Core voices. I tried restarting the computer, and it did some updates that took a while, and I thought when it was done that I could access the voices then. The system's finished that process, and nope, the voices I installed still don't show up in NVDA! What am I missing?

On 26/07/2022 9:49 pm, Sharni-Lee Ward wrote:

Okay, I will definitely look into that. But I don't think I can set up things in that synth so I can get two languages simultaneously either. I need to know what I'm doing as I learn.

On 26/07/2022 8:52 pm, Josh Kennedy wrote:

one core voices do have japanese. go into settings, windows+i. accessibility in windows11, or ease of access in windows10. down to narrator, tab to add voices, tab to add more voices under language packs, go select japanese and it will be downloaded and installed. restart NVDA and then you get one core japanese voices.