# Installation and Upgrade

Source: [https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/)
Product: Virto Alerts & Reminders Web Parts
Updated: 2026-08-12

This section describes how to install, upgrade, uninstall, or contact Support for the Virto SharePoint Alerts web part.

## Pages
- [Error “Sorry apps are turned off”: What to Do](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/error-sorry-apps-are-turned-off-what-to-do/index.md) — Why SharePoint 2019 answers with the apps are turned off error while adding the alerts web part, and the fixes.
- [Expected Outage](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/expected-outage/index.md) — How long a SharePoint farm is unavailable while the alerts web part is upgraded, and when to do it.
- [Installing Virto SharePoint Alerts](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/installing-virto-sharepoint-alerts/index.md) — Privileges and server access needed to run the Alerts and Reminders setup, and the components it installs.
- [License Activation](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/license-activation/index.md) — Activating the alerts web part licence; this page points at the full Virto activation instructions.
- [SPFx Web Part Installation](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/spfx-web-part-installation/index.md) — Putting the Alerts and Reminders web part on modern SharePoint 2019 pages: run setup as farm admin, add an App Catalog.
- [Uninstalling Virto SharePoint Alerts](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/uninstalling-virto-sharepoint-alerts/index.md) — Removing the alerts web part: run Setup.exe from its archive and choose Remove when prompted.
- [Upgrading Virto SharePoint Alerts](https://docs.virtosoftware.com/docs/virto-notifications-alerts-web-parts/virto-sharepoint-alerts-web-part-installation/upgrading-virto-sharepoint-alerts/index.md) — Upgrading the alerts web part: run setup and tick Upgrade at step three of the installer.