Helix Piercing Healing can take three to nine months and often times it can take time for healing for up to twelve months maximum. The pain (if you have any) may disappear in around two to four months.
In a nutshell, OneDrive is a cloud-based file hosted service that is completely integrated with Microsoft Windows. Probably every piece of software out there that bears the seal of Microsoft has a OneDrive function.
OneDrive will move all of your OneDrive files from the default location to the new location; you don't have to wait for files to download again. If you move the OneDrive folder to a new location, it inherits the folder permissions of the parent folder (or drive if the OneDrive folder is placed at the root directory).