1. Go to the team site where you want to create a new document library.
2. On the menu bar, click New and then click Document library.
3. In the Create document library pane, type a name for the new document library and, add an optional description. If you want to add a link to the new document library in the left-hand navigation for the site, select Show in site navigation. This option is selected by default.
4. Click Create to create your new document library or click Cancel to return to the team site.