Apart from India, the other countries where the Windows 10 Anniversary Update will be available include the US, the UK, China, France, Italy, Germany, Spain, Mexico and Brazil, Cortana's Group Programme Manager Marcus Ash said during a session on the sidelines of the ongoing annual developers' conference 'Build 2016' here.
Ash told PTI that the update will be available for both phone and personal computers and Microsoft is focussed on "getting it right" for its "most important countries", particularly India, China and Japan.
"There are all these differentlanguages andregional dialects. That's the thing they are starting tothink about... how to expand (to other languages)," he said.
Cortana was first made available in India in November last year when the technology giant had rolled out itsfirst major update to the Windows 10 operating system.
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Kicking-off the Build 2016 conference, Nadella had showcased improvements to Cortana, which was introduced two years ago, and announced previews of new cloud services and toolkits designed to create intelligent bots.
Microsoft had introduced at the conference the 'Cortana Intelligence Suite', formerly known as the Cortana Analytics Suite, powered by research into big data, machine learning, perception, analytics and intelligent bots.
Among the new additions to the Cortana Intelligence Suite, is the 'Microsoft Cognitive Services', which is a collection of intelligence Application Program Interface (APIs) that allows systems to see, hear, speak, understand and interpret the users' needs using natural methods of communication.