Unfortunately there is not an option to do this on Windows. You can do it on a Mac or use an iDevice.
between iphone to iphone via iCloud
To text on iCloud, you need to enable iMessage on your Apple device. Go to Settings > Messages and toggle on iMessage, ensuring that you are signed in with your Apple ID. Once activated, you can send and receive messages via the Messages app on your iPhone, iPad, or Mac, and your conversations will sync across all devices using the same Apple ID. Make sure you have an internet connection to send messages through iCloud.
iCloud takes your purchased music, books, apps and your mail, calendar, documents and photos and stores them on an Apple server. Then you can, using Apple ID, access it from any other compatible device. Compatible devices are: iPod Touch, iPhone, Mac and PC
iCloud takes your purchased music, books, apps and your mail, calendar, documents and photos and stores them on an Apple server. Then you can, using Apple ID, access it from any other compatible device. Compatible devices are: iPod Touch, iPhone, Mac and PC
You can't download iCloud as a standalone application on your MacBook Pro, but you can access iCloud features through the built-in System Preferences. By signing in with your Apple ID in the iCloud section, you can sync files, photos, and other data across your devices. Additionally, the iCloud Drive app is available in Finder, allowing you to manage your iCloud files easily.
Yes, you can store songs not purchased on iTunes on iCloud by using iCloud Drive. You can upload your music files to iCloud Drive, allowing you to access them across your devices. However, iCloud Music Library, which is part of Apple Music, will only match or upload songs that are in the Apple Music catalog. For non-iTunes purchases, using iCloud Drive is the best option.
Yes. IMessage is not the same as the text messaging you have in something like a Samsung phone. iMessage only works with other Apple devices that have iMessage.
Unfortunately, NO Only for iOS and Android
If you have iMessage installed you can only iMessage other iDevices that has iMessage installed on them. If someone has an iPad 2 but not with 3G but has an iPhone, then the iMessage will go there iPhone.
I haven't tries this with Windows 8, but with Windows 7 I downloaded the iCloud Control Center and am able to access Photo Stream from my PC that way, I can't imagine that not working on Windows 8. If you just need a few photos and need them fast, you can just [from your phone,] attach the photos you like to an email and send it to yourself and open that email up on your PC and download it that way. If neither of these methods work for you, try DropBox.
No. iMessage is only available for Apple devices.
Yes, you can log into your iCloud account using someone else's iPhone by going to the Settings app and entering your Apple ID and password. However, be cautious, as this will sync your iCloud data to that device, and they will have access to your information. Additionally, logging in will require you to sign out of any existing iCloud account on that iPhone. Always ensure you log out afterward for privacy and security reasons.