iCloud – Cloud Data Storage
Apple users can easily store their documents, files and photos in iCloud with first 5GB Free of charge
iCloud is available on all Apple computers and Apple devices including iPhone and iPad and even via a browser https://www.icloud.com
Each iCloud account provides up to 5GB of free cloud storage with more available for a monthly fee. Storage up to 50 GB: for AUD$1.49/month, up to 200 GB: for AUD$4.49/month or up to 2 TB: for AUD$14.99/month. See here for current pricing in various locations https://support.apple.com/en-au/HT201238
How to activate iCloud on a macOS device
Goto “System Preference” by selecting from the program bar or by clicking on the Apple Symbol in the top left and selecting “System Preferences”
How to activate iCloud on an iOS device
Select the “System” icon on your iPhone or iPad
Click on your Name (Apple ID, iCloud, Media & Purchases)
Then select “iCloud”
This shows how much iCloud storage you have, how much you have free and what applications are using iCloud. If you need to purchase more iCloud storage, click on “Manage Storage”