Q: I have Apple ID. But when I sign in for iCloud I get message \ Apple ID is valid but is not an iCloud account. Do I have to get a seperate ID for iCloud account ?

Hello prbApple,

Welcome to Apple Support Communities.

It sounds like you’re running into an issue creating an iCloud account with an Apple ID. Take a look at the article linked below, it provides a lot of great information about the devices that can be used to create an Apple ID and types of Apple IDs that can be used to create an iCloud account, which should help resolve the issue.

Creating an iCloud account: Frequently Asked Questions - Apple Support

So long,

-Jason