A very popular cloud storage company is dropbox. If you use this link: https://db.tt/LvgpBm9i
You can create a free dropbox account with any email address, and using the above link and we each get extra storage space.
When people talk about “the cloud”. They are really just referring to the internet and the ability to save their files in a data from their personal computer . If you have a Hotmail/Live account, or a Gmail, account you have the ability to save your files “in the cloud”. Microsoft calls their online storage “one drive”, and Google calls theirs “Google Drive”.