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_1
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: 157068447d5b0b178dcc650f29d4746049fa4c7cc12db5f2bc050c0b84e48e7a

curl for ARM64
Size: 8.0 MB
pgp / minisign / cosign / SSH / sha256: 10d612f44392546ea65449587ca382ba0760cd043c4cb478ee91096092921336

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_1 was built and statically linked with

• brotli 1.2.0
• certdata 2026-04-12
• curl 8.21.0
• libpsl 0.21.5
• libressl 4.3.2
• libssh2 1.11.1
• nghttp2 1.69.0
• nghttp3 1.16.0
• ngtcp2 1.23.0
• 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 f7eee40f
• 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.