JSTOR personal accounts are free, and allow you to connect through your school for off-campus access. You can find more information on creating a JSTOR account on the following support site pages:
Are you having technical issues getting access to JSTOR? See the JSTOR Support site for issues related to browser compatibility. Our troubleshooting page for clearing browser cache and cookies provides instructions for a quick fix to various access issues.
You can find additional articles on troubleshooting from this support page.