After receiving lots of feedback, I've now repackaged Flyby11 with the new compatibility checker that specifically targets critical Windows 11 CPU features like POPCNT and SSE4.2 (via CpuCheckNative.dll, a small C++ linker Addon module that extends the application's functionality by enabling direct hardware feature detection).
There's no need to download any external files anymore.
In the first step, you'll simply be informed whether an upgrade is possible or not. If you see two red checkmarks in the compatibility checker, an upgrade using this app is pretty much off the table.
Donations Welcome: If you've successfully upgraded, i'd greatly appreciate a small donation to support the development of Flyby11: Donate here
A huge thanks to everyone who's fueled me with coffees 💌
