http://www.catalog.update.microsoft.com/search.aspx?q=kb4474419
下载kb4474419 win7 x64版珍藏！
另外，win7 usb3总线驱动：
http://www.vmware.com/go/dl_intel_usb3_driver
refer to:
https://tieba.baidu.com/p/6031541992
https://kb.vmware.com/s/article/78708
https://support.microsoft.com/en-us/topic/sha-2-code-signing-support-update-for-windows-server-2008-r2-windows-7-and-windows-server-2008-september-23-2019-84a8aad5-d8d9-2d5c-6d78-34f9aa5f8339