# 快速入门

- [操作系统及硬件要求](https://doc.bitbrowser.cn/help1/kuai-su-ru-men/2222222222222222222.md)
- [注册、下载、安装软件](https://doc.bitbrowser.cn/help1/kuai-su-ru-men/1111111111111111.md)
- [开通套餐、变更套餐、续费套餐](https://doc.bitbrowser.cn/help1/kuai-su-ru-men/kai-tong-tao-can-bian-geng-tao-can-xu-fei-tao-can.md)