# System and developer requirements

Source: [https://docs.virtosoftware.com/docs/virto-calendar-web-part/system-requirements-and-installation/system-and-developer-requirements/](https://docs.virtosoftware.com/docs/virto-calendar-web-part/system-requirements-and-installation/system-and-developer-requirements/)
Product: Virto Calendar Web Part
Updated: 2026-08-12

## Pages
- [SharePoint 2013](https://docs.virtosoftware.com/docs/virto-calendar-web-part/system-requirements-and-installation/system-and-developer-requirements/sharepoint-2013/index.md) — Server software and browsers required to run the calendar on SharePoint 2013.
- [SharePoint 2016](https://docs.virtosoftware.com/docs/virto-calendar-web-part/system-requirements-and-installation/system-and-developer-requirements/sharepoint-2016/index.md) — Server software, .NET version and browsers required to run the calendar on SharePoint 2016.
- [SharePoint 2019 (SE)](https://docs.virtosoftware.com/docs/virto-calendar-web-part/system-requirements-and-installation/system-and-developer-requirements/sharepoint-2019-se/index.md) — Server software, .NET version and browsers required on SharePoint 2019 and Subscription Edition.