Not a lot of details to go on here.
Start > Settings > Sounds & Notifications > (notifications tab)
Set notification sounds for the following events:
Phone: Known Caller
Phone: Unknown Caller
It will let you choose from default system sounds and anything you have in your MyDocument\Ringtones folder.
Additionally, you can browse to a sound in FileExplorer and hold the stylus down on a sound file and it should give you the option to set it as the ringtone. If it's not already in your Ringtones folder, it will be copied there. |