Change Install Location
When describing problems, always mention your OS and game version (shown at the bottom of the title screen).
If your keyboard has USB or MIDI ports, there is a tremendously high chance (>99%) it will work with Synthesia. See what you'll need on the keyboards page.
If your keyboard has USB or MIDI ports, there is a tremendously high chance (>99%) it will work with Synthesia. See what you'll need on the keyboards page.
If you download the "zip package" version from the download page, you can put those files wherever you like. There isn't an enforced file system location. The installer just puts them in the usual place out of convenience and doesn't do a whole lot more than just unzip the files.