There are multiple ways to use Zotero. Downloading Zotero for your computer, either Mac or Windows, is a great way to use Zotero. In addition to downloading Zotero on your computer, you can also use Zotero on your Ipad. However, if you are away from your computer, or your Ipad you can still access the web version of Zotero.
Here is the link to get information on how to download Zotero to your computer:
Here is the link for information on how to get Zotero on your Ipad: