My SFE6 disappeared with my last Windows 10 Pro, Insider Preview (WIP) update. (it does this sometimes, if it does not like installed programs for these beta versions of 'WIP'). I tried to find a place to download a new SFE6 but find only SFE7. I am supposed to have "Updates for life" (per agreement with Karlis, since 2012), so I installed SFE7, but it does not accept my SFE6 product key for activation. How do I get a product key for my update to SFE7 (or a download link for an updated SFE6)?
Thank you