1. Navigate to Pricebook > Pricebook Management
2. Click Manage Pricebook
3. Click the blue Publish button at the top of the window
4. In the popup window:
A. Select the correct store
B. Select "All Items" for Change Scope
C. Select "Add and Update" Change Type
D. Click OK
5. Check "Publish History" at the right of the screen. Once status of the job changes to succeeded, logout of the registers and back in again to complete the process.
Note: You may have to click the "Refresh" button for the status to update.