Official OptiScaler page with Readme - https://github.com/optiscaler/OptiScaler

Github Wiki with all of the documentation - https://github.com/optiscaler/OptiScaler/wiki

Wiki has info on how to install, known issues, compatibility lists with game fixes and workarounds, info on FG Options etc


FSR4 on Win 10 - if crashing, requires the D3D12_Optiscaler folder and FsrAgilitySDKUpgrade=true