Processes are NOT Threads. You write programs in high level languages, use a compiler to change that program into machine code(binary) and execute. It loads into the memory and requests resources that it gets from the OS.
Processes are programs in execution. You can have more than one process of a program, like opening the program a second time, now you have 2 processes.
Thread is a unit of execution within a process. There can be more than 1 thread in a process
Task manager in windows allows easy viewing of processes. To view threads, you must install process explorer
This is an example of threads shown: