Note: Before you start installing IDE, you need to have Java installed in your system. In case you want to install Java, refer to this blog.

1. Go to www.eclipse.org.
2. Download Eclipse Neon installer and install it on your Windows system.
   
   
3. Now you have to install Spring plugin. For that go to Help > Eclipse Marketplace.
   
   
   
4. You have to type Spring in the search bar.
   
   
5. Click on "install".

6. Now you have to click on "Confirm" to proceed with the installation.

7. Let the installation finish, then restart the eclipse although it will automatically ask for it.