Can I start to pre-load my library of CDs on my win10 computer?

If your devices/clients have issues with it - convert it to something else (you’ll never hear the difference anyway - most likely):

XR can make it anything you need, in the primary track, while maintaining the original track in another slot, while normalizing the audio, adding a sub track, copying the video track - and it’s got a cup holder.

Eventually you’ll need to ‘re-code’ something - start here and adjust as necessary: