how to send photos from my pc to my iPhone

Hi sophiabraga16,

Are you using iCloud Photo Library on your iPhone? If so, that is why you are having the issue syncing via iTunes on your PC. See the resources below regarding how to use iCloud Photo Library with Windows. I've highlighted some key information. Click on the link for complete details.

iTunes 12 for Windows: Add photos to iPod, iPhone, or iPad

Note: If you use iCloud Photo Library to share your photos, you can’t sync your photos using iTunes.

Set up and use iCloud Photo Library on your Windows PC

Turn on iCloud Photo Library

1. Download iCloud for Windows.
2. Open iCloud for Windows.
3. Next to Photos, click Options.
4. Select iCloud Photo Library.
5. Click Done, then click Apply.
6. Turn on iCloud Photo Library on all of your Apple devices.

You can also choose to use My Photo Streamand iCloud Photo Sharing, and customize the location of your upload and download folders.

After you turn on iCloud Photo Library, you can add iCloud for Windows to your status bar to see the progress of your uploads and downloads. Right click on the status bar in Windows Explorer and enable iCloud for Windows.

When you turn on iCloud Photo Library on your PC, My Photo Stream is turned off automatically. If you want to send new photos to your devices that don't use iCloud Photo Library, you can turn My Photo Stream back on.

Upload your photos and videos to iCloud Photo Library

You can upload your photos and videos from your PC to iCloud Photo Library when you follow these steps:

1. Open a File Explorer window.
2. Under Favorites, click iCloud Photos.
3. Click Upload Photos.
4. Choose the photos and videos you want to upload and click Open.

You can also drag and drop photos and videos from your PC into the Uploads folder in iCloud Photos. You can view the photos and videos you uploaded in the Photos app on iCloud.com and on all your Apple devices.

Hope that helps ...