Where is "RoonServerInstaller64"?

[Suedkiez (Just a fellow user like you)]

What @SukieInTheGraveyard said. Full story here:

Roon 2.0.25 is live!

What’s new in this release? Hello everyone, We are excited to begin rolling out a significant software optimization on Windows and macOS! This update will be made available to all users over the next week so please read on for all the details. Roon software optimization delivers the best Windows/Mac experience. Our team is always working to improve Roon. Alongside new features and functionality, there’s a continual stream of work aimed at advancing the performance of Roon regardless of platfor…