There is a folder called waves.  The new sounds are just other wave files.  They are placed in a folder with the same name in the same location as the old waves file now is.
Gene
----- Original Message -----
*From:* brice Mijares <mailto:bmijares33@gmail.com>
*Sent:* Friday, April 17, 2020 8:57 AM
*To:* nvda@nvda.groups.io <mailto:nvda@nvda.groups.io>
*Subject:* Re: [nvda] New NVDA sounds
I'm running a installed version. They are still in my downloaded folder.
Are you saying they go where all the Windows event wav
  sounds are?
On 4/17/2020 6:45 AM, Gene wrote:
> they were originally supposed to be incorporated into NVDA as a part
> of the program.  There is therefore no explanation of how to replace
> the old files with the new.
> It may depend on whether you are running an installed or a portable
> version of the program, where you would put the files.  I’ll write
> more about the portable version if people are interested in another
> message but you either back up the original waves folder or delete it,
> create another folder called waves and place the files in that or, if
> the download you got has the files already in a folder called waves,
> paste that folder in the same place as the old waves folder was.
> That’s true of both the installed and portable versions but the waves
> folder may be in a different place, I’m not sure.
> To backup the old waves file, change its name to something like waves
> old, that’s all you have to do.  You can leave the folder where it is.
> Gene
> ----- Original Message -----
> *From:* brice Mijares <mailto:bmijares33@gmail.com>
> *Sent:* Friday, April 17, 2020 7:37 AM
> *To:* nvda@nvda.groups.io <mailto:nvda@nvda.groups.io>
> *Subject:* Re: [nvda] New NVDA sounds
> I'd also like to know.  There should have been a text file stating what
> to do with them.
>
> On 4/17/2020 5:29 AM, Akshaya Choudhary wrote:
> > Hello!
> > How do I install/use these sounds?
> > --
> > Regards,
> > Sociohack
> >
>
>
>