安裝 Windows 7 Service Pack 1 (SP1)

https://support.microsoft.com/zh-tw/help/15090/windows-7-install-service-pack-1-sp1

http://changyang319.pixnet.net/blog/post/28468365-windows-7-sp1(service-pack-1)%E5%B7%B2%E7%B6%93%E9%96%8B%E6%94%BE%E4%B8%8B%E8%BC%89%E4%BA%86