Microsoft Corp will show off on Thursday the first major revamp of its Windows operating system since 2015.

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The software that turned Microsoft into a household name and dominated personal computers for years has been overtaken in popularity by devices using Apple and Google software, but it is still core to Microsoft's strength in the corporate market.

And the upgraded operating system may also appeal to individuals, who have helped drive sales of PCs sharply higher over the past year due to work-from-home practices adopted during the COVID-19 pandemic.

Analysts expect the successor to Windows 10 to be called Windows 11 and to contain updates for business users that could make it easier to use with dual-monitor setups. It may also hold updates for PC gamers, another important customer base for Microsoft, including an Xbox app.

Microsoft may also give more details at Thursday's online launch event on its plans for a revamped Windows Store.

The company recently cut commissions on games sold through the store to 12 percent, lower than the 15 percent it takes on regular apps, and has been a vocal critic of Apple Inc's App Store, which charges 30 percent commissions and requires developers to use Apple's in-app payments systems.

Windows-powered Microsoft's rise in the 1990s as PCs became a fixture among businesses and consumers. But the operating system took a back seat to Apple's iOS and Alphabet Inc's Google as mobile phones displaced PCs as the primary computing device for billions of users.

Windows remains one of the biggest platforms in the technology world, with Microsoft's personal computing segment, which includes Windows revenue from businesses and consumers, accounting for USD 48.2 billion of its USD 143 billion in revenue in its most recent fiscal year.

Windows 10, the most recent version, has 1.3 billion users, nearly as many as Apple's total installed device base of 1.65 billion users but less than half of Alphabet's 3 billion Android users.

Among PCs and laptops, Windows lost some market share in 2020 to Google's Chromebooks as schools opted for cheaper devices for online learning but still retained greater than 80 percent market share, according to data firm IDC.