# FAQ > **How can I get access to the client?** Use our launcher ⁠, or manually compile and add the DLL to game folder. > **I have a black screen when i open the game, how can i fix this ?** Go in the root folder of your game and delete `BlackOps4.start`. If it didn’t work delete `BlackOps4.start` and open the game with admin rights. If this did not work delete `BlackOps4.start` and restart your pc. > **How can I change my username ?** Use the launcher and select `Change Username`or manually edit the`project-bo4.json.` > **How to use the ingame console, where are the dvars?** Tilde key - Dvars can be found [Here](https://github.com/project-bo4/shield-development/blob/master/source/proxy-dll/definitions/variables.cpp). > **Do controllers work?** Yes! with aim assist too! > **Can I max my stats / unlockall?** Most things can be unlocked using the `Unlock All` or `Unlock` options in the game menu. Progression works in Online and Offline modes. > **Can I connect to a server with my friends using any kind of LAN software (Radmin, Hamachi, Gameranger, Zerotier) ?** Yes ! Follow [Radmin VPN Guide](/document/server-setup-outdated/radmin-vpn-guide.md) > **When is X feature gonna be added?** We don't know, the DEV team is very small as of now only 1 person works on it using their free time, so please do not ask an estimation and be patient. > **Can I add bots to Blackout?** ⁠ No. > **Where can I download the game?** ⁠ You must purchase and download the game through Battlenet. > **Friend(s) can't join my lobby. Why?** ⁠ If you copied the files, you may have the same xuid. Check this also, if you have the same xuid, change a few didgits and save. The xuid can be found at gamefolder/project-bo4.json. > **I have a suggestion!** ⁠Suggestions, follow the pinned suggestion rules in Discord please. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://shield-bo4.gitbook.io/document/useful-infomation/faq.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.