I am in the process of moving everything to my new Windows 10 PC and have read the migration guide, checked that both versions of FH6 on old and new PCs are the same and downloaded the "Backup and Restore Family Historian Settings" plug-in. I may not have read the instructions properly, but I can see no mention of Windows 10. Does the plug-in work OK with Windows 10 on the recipient PC? It perhaps should be added to the instructions as most people will now be using it to move to Windows 10 and may ask the same question. The instructions give a frightening warning about alterations to the registry which stopped me from moving ahead. Is this plugin especially dangerous to the registry or is this the author being extra cautious? I suppose that most of the other programs I have migrated will have amended the registry but I have seen no other such warnings. I will have to research saving and restoring the registry as I have never done it before. I will separately write to Calico Pie to say that moving FH6 from one PC to another is too fraught and that they need to alter the file structures or whatever to make it a simple copy and paste of the main data files as I have had to do for all other programs. I tried just copying the main FH6 data file across and it is apparently all there apart from the Custom Query which I use all the time and the 2000 or so record flags against people I want to use the Custom query on. I am thinking it could be simpler to rewrite the query and reflag all the people, thus avoiding the perilous plug-in. John Bradburn Bradburn One-name Study