VPN programs usually work on the following devices:

Personal computer: VPN service providers usually provide VPN clients for various operating systems, including Windows, Mac, Linux, etc. Users can install these client programs on computers and connect to VPN services.

Mobile phones and tablets: Many VPN service providers also provide VPN clients for mobile devices such as iOS and Android. Users can download these applications on the App Store or Google Play and connect to the VPN service.

Router: Some advanced routers support VPN client, and users can install a VPN client program on the router and route the entire network traffic to the VPN server.

Browser extensions: Some VPN service providers provide browser extensions. Users can install these extensions on browsers such as Chrome and Firefox to provide VPN services only for browser traffic.

It should be noted that not all VPN service providers provide VPN clients suitable for the above-mentioned devices. When choosing a VPN service provider, users should first understand the types of devices they support and the applicability of the client software. At the same time, different device types and operating systems may require different settings and configurations, and users need to pay attention to related configurations and security issues when using VPN services.