Microsoft has made significant changes to Windows, including the elimination of passwords and new account access methods, while warning users about risks like data breaches and identity theft. Windows 10 users face an urgent transition as support ends in six months, with a free upgrade to Windows 11 available for eligible PCs. Recent data shows a 4% increase in Windows 10 users switching to Windows 11, with Windows 10's market share dropping to 54% and Windows 11 rising to over 40%. However, security hardware requirements may prevent some users from upgrading, potentially affecting around 240 million PCs. Users can purchase a 12-month extension for home use, while business users may incur higher fees for extended support. After the support deadline, Microsoft will stop providing updates and security fixes for Windows 10, increasing cybersecurity vulnerabilities. Transitioning to Windows 11 is crucial for users to access the latest security features.