Step 1: Download the Universal C runtime.
Step 2: Install the Visual C++ 2015-2022 redistributables. if using extended kernel. Spoof the OS ver as 6.1 7601. If not, download only the 2015 visual c++ runtimes, x64 and x86.
Step 3: You're good to go! Try running SonicMania.exe. If you get an APPCRASH error or similar, try Step 4 and onwards.
Step 4: Enable automatic updates for Windows Vista, and update your system. The updates in question are feature updates, not security updates.
Step 5: Run the game again.
Step 6: Enjoy!
![Very Happy :D](./images/smilies/icon_e_biggrin.gif)
Mania mod manager does not work as it requires .NET 4.8, unsupported even with the extended kernel, so you cannot install mods
![Neutral :|](./images/smilies/icon_neutral.gif)