Use this URL to install the package into any organization:
Production: https://login.salesforce.com/packaging/installPackage.apexp?p0=04tKA000000PbEN
Sandbox: https://test.salesforce.com/packaging/installPackage.apexp?p0=04tKA000000PbEN
Install the package into your organization to upgrade it to the latest version - this may take a few moments.