Flowable Plugin in Eclipse

I’m not able to install Flowable plugin in Eclipse using https://www.flowable.com/designer/update/.
When I try to install,I’m facing an error like unable to read repository at https://www.flowable.com/designer/update/. Even if try to access this url from browser I’m getting Page not Found error.

Could you please provide me a way to install Flowable BPMN 2.0 designer Plugin in Eclipse.