<p>What are the main features and advantages of Windows 7 Professional?<br /><strong>Domain Join</strong> – Connect PCs to Active Directory for centralized control.<br /><strong>Remote Desktop</strong> – Host secure remote sessions for support and access.<br /><strong>XP Mode</strong> – Run older business apps in a virtual XP.<br /><strong>Network Backup</strong> – Back up files to network shares automatically.<br /><strong>File Encryption</strong> – Protect sensitive NTFS files with built-in EFS.<br /><strong>Policy Controls</strong> – Manage settings with Group Policy and security tools.</p>