Your MakerFlow license works with this Windows desktop app and the compatible mobile version.
MakerFlow Wax Batch Calculator
Version 0.1.8-rc.1 · Windows
After downloading, run the installer and paste the license code from your MakerFlow purchase email when prompted.
If you want to verify the file manually, its SHA-256 checksum is:
f3301c355c1b2dc7b5f55c3ba7b025249127caf9a24429fd8d25fca50ac6566b