How to host my own server? This is the general instruction how to host your own server. If you face some troubles, please, read actual FAQ or Archive with servers dedicated topics. If this doesn't help, feel free to ask your fully described questions here.   First you need to download all required files: 1. Download Server Files R40 for BF3 2. Download Server Launcher 3. Register your server here 4. Under your client account ( that you need to play with to activate it )