Coming to iOS devices there us abundance of iOS applications for the iPhone, iPad, and iPod touch to serve almost every purpose and when it comes to accessing the photos, iCloud is the best platform by Apple.
With iCloud Photos you’ll always have access to your entire and most recent iCloud Photo Library collection, no matter where you are or which device you’re using. iCloud Photos works with iPhone, iPad, iPod touch, Mac, and even Windows computers.
Slide "iCloud Photo Library" to the "On" position. . Photos you take on your iPhone, as well as existing photos in your Camera Roll, will now be saved to iCloud. If you'd like to save storage space on your iPhone, tap Optimize iPhone Storage to store smaller versions of photos on your device.
To transfer photos from your PC to your iPhone, the first thing you need to do is access the iCloud website from your browser. Simply open your browser, navigate to iCloud.com and log in with your Apple ID.