How To Update iTunes?
                     How To Update iTunes?
Step-by-step instructions to update iTunes on 
your Windows and Mac computer easily. The 
need to update the software is to get a trouble-
free performance.
On Mac Devices:
Step 1:
You can update the iTunes on your Mac devices. Open the iTunes app.
Step 2:
If you cannot find the app, then search using the Finder app.
Step 3:
Right-click the iTunes menu on the left panel and choose Check for 
Updates.
Step 4:
Now, iTunes connects to the Apple server to find updates.
Step 5:
Or, you can close the iTunes app and then open the App Store on 
Mac.
On Windows Devices:
Step 1:
Download the iTunes app on your Windows computer.
Step 2:
Launch the iTunes app on the desktop
Step 3:
Click the Device icon at the top right corner of the window.
Step 4:
Following that, choose Summary then select Check for Updates, and 
click Update when the updates are found.
REFERENCE : https://mail-setup.com/update-itunes