How to back up iPhone using your Windows PC ?
Response by TechGuy
Back up iPhone using your Windows PC
1. Connect iPhone and your computer using USB.
2. In the iTunes app on your PC, click the iPhone button near the top left of the iTunes window.
3. Click Summary.
4. Click Back Up Now (below Backups).
To encrypt your backups, select “Encrypt local backup,” type a password, then click Set Password.
To see the backups stored on your computer, choose Edit > Preferences, then click Devices. Encrypted backups have a lock icon in the list of backups.
Note: You can also connect iPhone to your computer wirelessly if you set up Wi-Fi syncing.
Check Apple support here
1. Connect iPhone and your computer using USB.
2. In the iTunes app on your PC, click the iPhone button near the top left of the iTunes window.
3. Click Summary.
4. Click Back Up Now (below Backups).
To encrypt your backups, select “Encrypt local backup,” type a password, then click Set Password.
To see the backups stored on your computer, choose Edit > Preferences, then click Devices. Encrypted backups have a lock icon in the list of backups.
Note: You can also connect iPhone to your computer wirelessly if you set up Wi-Fi syncing.
Check Apple support here