If you have hotmail account and you are logged in then visit skydrive.com to get started. If you don’t have account then make one with them.
After logging in you’ll see your folders in which you can upload your files or you can make new folders.
SkyDrive allows creation of some office documents online and storing them in its storage space and it is giving 7 GB of free storage space that is enough for your important files.
You can also download SkyDrive App for your computer to work more easily.
In a folder click on upload and locate file from your computer’s hard drive to upload it to SkyDrive.
When upload is started you’ll see an uploading box with status at right bottom and after upload is completed you’ll get your file in specified folder.