Use this URL to install the package into any organization:
Production: https://login.salesforce.com/packaging/installPackage.apexp?p0=04tKA000000Pb3j
Sandbox: https://test.salesforce.com/packaging/installPackage.apexp?p0=04tKA000000Pb3j
Install the package into your organization to upgrade it to the latest version - this may take a few moments.