Gmail Drive is a free to use program which allows you to creates a virtual file system around your Google Mail account, allowing you to use Gmail as a storage medium.
If your using Gmail Drive you can retrieve files stored on your Gmail account directly from inside Windows Explorer.
Gmail Drive creates a new drive to your computer under the My Computer folder, where you can create new folders, copy and drag anddrop files to it.

In other words GMail Drive acts as any other hard-drive installed on your computer and lets you treat those 7 gigs (at the time of writing) as a standard remote drive. The size of this little program is only 156KB!