x86 Applications refer to software programs designed to run on the x86 architecture, a family of instruction set architectures based on the Intel 8086 microprocessor. This architecture is widely used in personal computers and servers, allowing applications to leverage the capabilities of Intel and AMD processors. These applications can range from simple utilities to complex software like Microsoft Office or Adobe Photoshop. They are typically developed using programming languages such as C or C++, ensuring compatibility with the x86 instruction set, which enables efficient execution on compatible hardware.