This is just an example of how you can modify other programs memory in Windows
Start a process you'd like to modify memory on, ex. the provided example
cargo run --example modify-memory
Also run our main program in order to modify memory
cargo run
No you cannot; not without being in ring0/acting as a kernel-driver(?) going outside the OS level
https://stackoverflow.com/questions/25599701/how-do-i-edit-random-memory