One can follow the below steps to install LAMMPS software (2023 version) on Windows:
Step 1: Download LAMMPS software from https://lammps.org/.
Step 2: Locate and double-click the lammps.exe file. (It will usually be in your Downloads folder.)
Step 3: An installation menu will appear. Bottom "install" key to install the LAMMPS package.
Step 4: The software will be installed. One can now open the application from the Start menu.
Furthermore, the below steps should be followed to run LAMMPS software (2023 version) on Windows:
Step 1: Go to the directory where you have your LAMMPS input script.
Step 2: At the directory address, type "cmd".
Step 3: At the command prompt, type “lmp -in Input.txt”, where Input.txt is the name of your LAMMPS input script.
learn more: http://lammpstube.com/