Download tools: [Thunder] [FlashGet] [eMule] Contact and chat: [Tencent QQ] [MSN] [Skype] [Flychat] Web browsing: [Internet Explorer 7] [Maxthon] [Firefox] Video playback: [Storm Codec Pack] Audio playback: [QianQian静听] [Kuwo Music Box] [Kugou] System optimization: [Chao...]