Windows OEM licenses come pre-installed on new devices and are tied to the hardware, while Retail licenses are full versions that can be transferred between devices. Both offer the same functionalities, but the Retail license is more flexible.
Windows operating systems include versions such as Windows 10, Windows 11, and earlier releases, each designed for different types of users and devices. These versions improve security, performance, and compatibility with various applications.
The choice depends on your needs and available hardware. Windows 11 is ideal for modern devices with advanced features, while Windows 10 remains a reliable option for older hardware.