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不過這裏只能下載企業版的！

8個暫時不要升級Windows 10的理由:
http://www.techweb.com.cn/it/2015-07-27/2181484.shtml

Windows 10 英文企業版的下載地址：
http://care.dlservice.microsoft.com/dl/download/E/A/C/EAC9F05C-C148-40B8-992F-2443F0E5B4A9/10240.16384.150709-1700.TH1_CLIENTENTERPRISEEVAL_OEMRET_X64FRE_EN-GB.ISO

這些系統鏡像可以用來測試安裝操作系統，或者開發、測試程序用，不建議正式安裝，因為企業版很難激活

回復：4樓
這個服務器的IP是184.86.250.48
有時候無法解析這個域名

Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.

C:\Users\A>ping http://care.dlservice.microsoft.com
Ping request could not find host http://care.dlservice.microsoft.com. Please che
ck the name and try again.

C:\Users\A>ping care.dlservice.microsoft.com

Pinging a1038.d.akamai.net [23.62.236.121] with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 23.62.236.121:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Users\A>ping care.dlservice.microsoft.com

Pinging a1038.d.akamai.net [23.62.236.121] with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 23.62.236.121:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Users\A>ping care.dlservice.microsoft.com

Pinging a1038.d.akamai.net [63.85.36.57] with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 63.85.36.57:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Users\A>ping care.dlservice.microsoft.com

Pinging care.dlservice.microsoft.com [184.86.250.48] with 32 bytes of data:
Reply from 184.86.250.48: bytes=32 time=383ms TTL=51
Reply from 184.86.250.48: bytes=32 time=382ms TTL=51
Reply from 184.86.250.48: bytes=32 time=381ms TTL=51
Reply from 184.86.250.48: bytes=32 time=397ms TTL=51

Ping statistics for 184.86.250.48:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 381ms, Maximum = 397ms, Average = 385ms

C:\Users\A>

因此，直接在hosts裡面加一句：184.86.250.48 care.dlservice.microsoft.com
就能解決文件無法下載的問題。