curl 8.21.0 for Windows

These are the latest and most up to date official curl binary builds for Microsoft Windows.

curl version: 8.21.0
Build: 8.21.0_4
Date: 2026-06-24
Changes: 8.21.0 changelog
Supported Windows versions: Vista, 7, 8, 10, 11

curl for x64
Size: 8.2 MB
pgp / minisign / cosign / SSH / sha256: 5d6da92c34af5bf3d3022500b76994ac67f7af9f3cdd23450f26da781d8c9723

curl for ARM64
Size: 8.0 MB
pgp / minisign / cosign / SSH / sha256: 4719e36143aea017b449316593dfdb55750cfa98f9ad457dd7dec0947f5602ae

Fixed URLs

These links automatically provide the latest curl package:

curl for x64 / pgp / minisign / cosign / SSH / sha256
curl for ARM64 / pgp / minisign / cosign / SSH / sha256

Specifications

curl 8.21.0_4 was built and statically linked with

• brotli 1.2.0
• certdata 2026-06-11
• curl 8.21.0
• libpsl 0.23.0
• libressl 4.3.2
• libssh2 1.11.1
• nghttp2 1.69.0
• nghttp3 1.17.0
• ngtcp2 1.24.0
• psl 2026-06-23
• trurl 0.16.1
• zlibng 2.3.3
• zstd 1.5.7

The following tools/compilers were used in the build process:

• clang 22.1.8
• curl-for-win 0cf8eef7
• llvm-mingw 20260616
• mingw-w64 15.0.0

The log from the build.

Get further details about these curl builds in the curl-for-win github repo

Microsoft ships curl too

curl is also shipped by Microsoft as part of Windows 10 and 11.