Office 2013 Customization Tool direct link

Here is direct link for x86 version:
admintemplates_x86_4869-1000_en-us.exe

eb2acc681dab3b8921062a156b52fb28

6091086ebc493a18fd19b0093d6be90cae857be5

Here is direct link for x64 version
admintemplates_x64_4869-1000_en-us.exe

dee6cc94b3f1335643422edb0f2e90dc

9cd4cc0774fc531634898f28079845724348832e

Detect download link:

wget --no-cookies --no-check-certificate --user-agent="Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)" "https://www.microsoft.com/en-us/search/Results.aspx?q=Office%202013%20Administrative%20Template%20files" -qO- | sed "s/\d034/\n/g" | grep "^http.*en-us.*download.*details" | sort | uniq

for example we found https://www.microsoft.com/en-us/download/confirmation.aspx?id=35554

Once the download link is found use this link and search for installers:

wget --no-cookies --no-check-certificate --user-agent="Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)" "https://www.microsoft.com/en-us/download/confirmation.aspx?id=35554" -qO- | sed "s/\d034/\n/g" | grep "^http.*exe" | sort | uniq