Next, go to the Settings app, scroll down to General and tap Software Update. From there, your phone will automatically search for the latest update. When iOS 13 shows up, you will see a description of the update and an option to “Download and Install.
First, navigate to the Settings, then General, then press on the Software update option next to the install iOS 14. The update will take some time due to the large size.
The iPhone 6 is not a bad phone in 2020
if you are an extremely light user or you just need a second smartphone for basic tasks. It has the latest iOS 13 software update, meaning it'll do everything what a modern iPhone should without any compromises.
While iMessage works on ios device but doesn't work on Android or a Windows PC, many other text-messaging apps do. You could try to get your iMessage-using friends to switch to something like WhatsApp, Facebook Messenger, Telegram, or any of the many other chat apps out there.
You can download it from its official website and install it just like any Windows applications. iMessage doesn't come originally for any other OS apart from Apple's very own iOS. From there, you can simply launch it and enjoy using ipadian on your Windows PC.