The ForgeRock website is extensive and confusing. Making you run around in circles without getting anywhere. Simple things become a tough job.
Where is the download for IDM 6.5? A support ticket will be required to find it. As far as I can see but cannot claim to understand the ForgeRock website at all, there are only “featured” downloads now. So I was able to find the 7 version.
6.5 I think is a support ticket of some sort. So you have to be a customer first.