Pro Tools - Bounce an Audio File in ProTools

Highlight selection you'd like to bounce

Go to File>Bounce Mix or use the shortcut Command+Option+B

Make sure to select the following settings.

Wav

Interleaved

Bit Depth 24b

Sample Rate 48k

(This is assuming your project is already in 48k24b)

Choose where you'd like to export it via Directory

Make sure that the correct output is selected and click Bounce.