Try Supporter Invoicing free for 60 days, no card required. Download the Windows installer below and follow the prompts.
Download the Windows installer and run it. Windows may warn about an unrecognised publisher — choose More info, then Run anyway.
Everything the app needs is bundled; no separate Python install is required.
The Help Centre inside the app carries the user guides. For anything else, or to report a bug, get in touch:
Not sure yet? The features page lists everything the app does, screen by screen.
See the features