Looking to register IDM without purchasing a serial key? Follow these easy steps: 1. Download the latest IDM version from the official website. 2. Install IDM, but don’t register it yet. 3. Access the ‘drivers’ folder via the ‘etc’ folder. 4. Open the ‘hosts’ file in Notepad and add specific lines. 5. Run IDM, input your details, and use one of the provided serial numbers to activate. Skip the purchase hassle and enjoy IDM’s full features instantly!