http://www.nvidia.com/download/driverResults.aspx/99998/en-us
http://www.nvidia.com/download/driverResults.aspx/99993/en-us
Just letting you know, the default Windows drivers do not provide hardware acceleration for the older graphics cards. If you download the drivers from Nvidia directly, you can run SK on these cards.
Needs the Windows 10 note to be updated at http://wiki.spiralknights.com/Technical_issues_FAQ
This isn't a fault of lack of testing by OOO, the wiki was updated 4 days prior to the first Windows 10 driver being provided on the Nvidia site for the Tesla architecture GPUs. Before that, people had to install their Windows 7 driver on Windows 10.
The page in question can be edited only by administrators --- not by us peons. Maybe you already know that, and are hoping for an administrator reply. I'm replying mainly because sincere threads with no replies make me sad. Happy travels.