老样子，四个链接，点击进去提示“更新”而不是“安装”的，就是你安装的QQ的链接。已报名内测并且之前成功安装了QQ4.0体验版的可以尝试更新
http://www.windowsphone.com/zh-cn/store/app/qq/f91c7496-9747-4f73-a7a2-907cf682c901
http://www.windowsphone.com/zh-cn/store/app/qq/66f557f3-451d-4cfc-aa39-cd74fe6e0020
http://www.windowsphone.com/zh-cn/store/app/qq/5dc2f253-7c0b-4c1e-b370-98eb90c40c3c
http://www.windowsphone.com/zh-cn/store/app/qq/7685e61f-66a7-4b58-bebf-b4e4ac344d94
http://www.windowsphone.com/zh-cn/store/app/qq/f91c7496-9747-4f73-a7a2-907cf682c901
http://www.windowsphone.com/zh-cn/store/app/qq/66f557f3-451d-4cfc-aa39-cd74fe6e0020
http://www.windowsphone.com/zh-cn/store/app/qq/5dc2f253-7c0b-4c1e-b370-98eb90c40c3c
http://www.windowsphone.com/zh-cn/store/app/qq/7685e61f-66a7-4b58-bebf-b4e4ac344d94
