Type your desired name (e.g., 2500.rar ) in the name field.
Right-click the selected files and choose "Add to archive..." from the context menu. Configure Settings: Archive Format: Ensure RAR is selected.
For a quick visual walkthrough on setting up WinRAR and creating your first archive:
WinRAR is the standard tool for this format. You can follow these steps: Download it from the Official WinRAR site.
Click "Set password..." if you want to encrypt the file. Finalize: Click OK to begin the compression process.