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_microsoft.html
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_microsoft.html
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#include "_doctype.html"
<html>
<head> <title>curl shipped by Microsoft</title>
#include "css.t"
#include "term.t"
</head>
#define CURL_URL /windows/microsoft.html
#define WINDOWS_MS
#include "_menu.html"
#include "setup.t"
WHERE3(Download, "/download.html", Windows downloads, "/windows/", Microsoft)
TITLE(curl shipped by Microsoft)
<div class="relatedbox">
<b>Related:</b>
<br><a href="/ch/">Changelog</a>
<br><a href="/download.html">Downloads</a>
<br><a href="/docs/faq.html">FAQ</a>
<br><a href="/docs/copyright.html">License</a>
<br><a href="/docs/manpage.html">Manual</a>
</div>
<p>
On December 19
2017, <a href="https://docs.microsoft.com/en-us/virtualization/community/team-blog/2017/20171219-tar-and-curl-come-to-windows">Microsoft
announced</a> that since insider build 17063 of Windows 10, curl is a default
component.
SUBTITLE(Windows 10/11 bundle curl)
<p>
Every installation of Microsoft Windows 10 and Windows 11 has curl installed
by default.
<p>
The Microsoft provided version is built to use the Schannel TLS backend.
Invoking curl -V after the <b>October 2024</b> update shows this on these
platforms:
<p>
<div class="term">
<div class="tline">curl 8.9.1 (Windows) libcurl/8.9.1 Schannel zlib/1.3 WinIDN</div>
<div class="tline">Release-Date: 2024-07-31</div>
<div class="tline">Protocols: dict file ftp ftps http https imap imaps ipfs ipns mqtt pop3 pop3s smb smbs smtp smtps telnet tftp</div>
<div class="tline">Features: alt-svc AsynchDNS HSTS HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM SPNEGO SSL SSPI threadsafe Unicode UnixSockets</div>
</div>
SUBTITLE(Disabled features)
<p>
The Microsoft curl build omits several good features:
<ul>
<li> no Public Suffic List (PSL) support, making it impossible to prevent "super cookies"
<li> no support for HTTP/2 or HTTP/3
<li> no support for GOPHER(S), LDAP(S), RTMP, RTSP, SCP, SFTP, WS(S))
<li> no brotli or zstd compression
</ul>
SUBTITLE(Separate)
<p>
The curl tool shipped with Windows is built by and handled by Microsoft. It
is a separate build that will have different features and capabilities
enabled and disabled compared to the <a href="/windows/">Windows builds</a>
offered by the curl project. They do however build curl from the same source
code. If you have problems with their curl version, report that to them.
<p>
You can probably assume that the curl packages from Microsoft will always lag
behind the versions provided by the curl project itself.
SUBTITLE(A Powershell alias)
<p>
The curl tool comes installed <i>in addition to</i> the
dreaded <a href="https://daniel.haxx.se/blog/2016/08/19/removing-the-powershell-curl-alias/">curl
alias</a> that plagues Powershell users since it is an alias that runs the
invoke-webrequest command and therefore is not acting much like curl at all.
<p>
A work-around is to invoke curl as "curl.exe" to prevent powershell from
treating it as an alias.
#include "_footer.html"
</body>
</html>