1. Windows operating system: In the Windows operating system, you can use a variety of applications to open multimodal resources. For example, you can use Windows photo application to open picture resources and Windows video application to open audio and video resources.

2. Mac operating system: In the Mac operating system, you can use the built-in browser or third-party applications to open multimodal resources. For example, you can use the pre-installed Safari browser to open pictures and videos in web pages, and use third-party software such as iTunes to play music resources.

3. Mobile devices: In mobile devices, you can open multimodal resources by installing corresponding applications. For example, you can install the Gallery application on your mobile phone to view and manage your photos, install the Music application to play your music files, and so on.