Intel® Distribution of OpenVINO™ toolkit for Linux* with FPGA Support page has been updated and I can choose 2019 R2 now. The file downloaded from the page is l_openvino_toolkit_fpga_p_2019.2.245.tgz. I will update my environment.
You can download the Intel® Distribution of OpenVINO™ toolkit for different OS flavors like Windows, Linux, Linux for FPGA, macOS with registered login from here https://software.seek.intel.com/openvino-toolkit
Dear ULF H
You should be able to go to https://registrationcenter.intel.com/en/products/
That link which Hemanth gave you really shouldn't be broken though. But I know it does "break" from time to time. Perhaps try switching to a different browser.