From Artstor Help
To access the ARTstor Digital Library at a current subscribing institution:
1. Go to www.artstor.org.
2. Click on “Enter Here”.
If your institution has a proxy server or VPN set up, you can also access the ARTstor Digital Library via your institution’s list of electronic resources (often found on the library’s website).
To register for an account:
3. Complete steps 1-2 above
4. Click on “Register” in the upper right corner of your screen.
Once you have registered for an account, you can access the ARTstor Digital Library remotely from any computer connected to the internet. You will need to log in to your registered user account at your subscribing institution once every 120 days to maintain your remote access to the ARTstor Digital Library.
The following video is a brief demo of registering for an account:
Access ARTstor Mobile
If you are on a compatible mobile device and have a current ARTstor account you can go to mobile.artstor.org and log in with your ARTstor username and password. See this page for more details.
Visit ARTstor's website: www.artstor.org