Log in to your MS SkyDrive account. At the top of the page you'll see a link to. On the next page CLick the Free Upgrade button to 25GB guarantee you still have your original 25GB free. That's it.
Log in to your MS SkyDrive account. At the top of the page you'll see a link to. On the next page CLick the Free Upgrade button to 25GB guarantee you still have your original 25GB free. That's it.