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If you want to use your Mac in a different language, or you’re live in a different region, then you can change it in OS X. When you do, it’ll display everything in your preferred language, currency, date format, and more.
When you set up an iOS device running iOS 9, you are prompted for a six-digit passcode. However, you may not know that you can use a stronger alphanumeric password–one that uses letters and numbers–on your iOS devices. We’ll show you how.