Remove Apple ID?

[pappy53]

I just purchased a used iMac 21.5 2011 model. How do I delete the previous owner's Apple ID? This is my first Mac, so please be specific. Thanks!

 

[Fausty82]

I just purchased a used iMac 21.5 2011 model. How do I delete the previous owner's Apple ID? This is my first Mac, so please be specific. Thanks!

It depends on what you're talking about...

iTunes login ID for iTunes
Go to iTunes... STORE / SIGN OUT... then sign in with your account

Mac App Store
Go to Apple Logo (upper left corner) / App Store... STORE / SIGN OUT... then sign in with your account

iCloud logon
Go to Apple Logo (upper left corner) / System Preferences... iCloud (third row under Internet & Wireless... SIGN OUT... then sign in with your account

And congrats on the purchase... I think you'll like it!