If you have a Microsoft 365 Business subscription (even Basic), you often get limited Visio for the web for free. It doesn't have all the stencils of Visio 2013 Pro, but it handles basic flowcharts perfectly.
When downloading from FileHippo, users generally encounter these characteristics: Microsoft Visio 2013 Free Download 64 Bit Filehippo
Visio 2013 was released alongside Office 2013. It introduced a modern, flat UI that was a massive upgrade from Visio 2010. It is lightweight enough to run on older Windows 7/8/10 machines but modern enough to handle complex diagrams. If you have a Microsoft 365 Business subscription