This is a very useful site to keep in touch. It is a great resource if you want to work with Open Source stuff. Millions of developers use this site and you should too. This is great if you are trying to teach to yourself or doing some computer stuff for the non-profits. The pre-packaged apps and development environments are free to use and share.
These are some of the things you can do:
- Running apps in production
- Complete software development environment for your team
- Develop locally, deploy in the cloud
- Quickly test new apps
- Running your business
- Maintain parallel environments
- Research and learn new technologies
- Launch apps without extensive expertise
The number of applications that you can get on to is really impressive. Here is a screen shot of the more popular applications.
Here and here you have two detailed posts to get on to Microsoft Web Platform Installer.