: Ensure your PC and the IP camera are on the same local network (LAN). Step 3: Initial Configuration How to Set up an IP Camera System from Scratch

: Use a 12V DC power supply or a Power over Ethernet (PoE) injector/switch.

: Connect the camera to your router or PoE switch using a CAT5e or higher Ethernet cable.

The file ip cam 3.rar typically refers to the compressed installation package for (or similar legacy IP camera management tools) used to configure and view network cameras on a PC. Because .rar files are compressed, you must first extract them using a utility like WinRAR or 7-Zip. Step 1: Extract and Install the Software

: Right-click ip cam 3.rar and select "Extract Here".

: Open the extracted folder and look for a file named Setup.exe or IPCam.exe .