NSIS 3.12 released

Amir Szekely — Sun, 19 Apr 2026 20:51:58 -0000

NSIS (Nullsoft Scriptable Install System) is a professional open-source tool for the development of Windows installers. It is designed to be as small and flexible as possible and is therefore highly suitable for internet distribution.

This release includes a fix for another possible privilege escalation when running your installers as SYSTEM. Check out the release notes for more details.

Additionally there were some fixes for newer versions of MacOS X and a few new LogicLib operators.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.12

More details for security issue with NSIS <3.11

Amir Szekely — Thu, 17 Apr 2025 18:57:37 -0000

CVE-2025-43715 was filed by Sandro Poppi for the security vulnerability fixed with NSIS 3.11.

NSIS 3.11 released

Amir Szekely — Sat, 08 Mar 2025 23:19:47 -0000

This is a special Windows 3.11 style release. Still fits on a floppy disk.

It also includes a fix for possible privilege escalation if you run your installers as SYSTEM. Check out the release notes for more details.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.11

NSIS 3.10 released

Amir Szekely — Sat, 30 Mar 2024 17:11:55 -0000

This release has some bug fixes.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.10

NSIS 3.09 released

Amir Szekely — Sun, 02 Jul 2023 20:40:01 -0000

This release has a lot of bug fixes and a new !assert command.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.09

NSIS 3.08 released

Amir Szekely — Sat, 25 Sep 2021 22:36:23 -0000

This release is filled with features that a lot of people have been requesting for a while. Enjoy!

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.08

NSIS 3.07 released

Amir Szekely — Sat, 24 Jul 2021 23:04:43 -0000

This release makes Unicode the default along with a bunch of other fixes and improvements.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.07

NSIS 3.06.1 released

Amir Szekely — Sat, 01 Aug 2020 00:22:40 -0000

NSIS 3.06.1 is the 20th anniversary edition. The original public release of NSIS v1.0f was on July 31st, 2000.

This release adds a few useful commands and switches, along with bug fixes and translation improvements.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.06.1

NSIS 3.05 released

Amir Szekely — Mon, 16 Dec 2019 01:13:57 -0000

NSIS 3.05 adds some new commands to make development easier, fixes a few issues and deprecates ANSI targets.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.05

NSIS 3.04 released

Amir Szekely — Sun, 16 Dec 2018 01:31:58 -0000

NSIS 3.04 improves Windows 10 and ARM64 detection along with the usual collection of improvements, bug fixes and language file updates.

Download:
https://nsis.sourceforge.io/Download

Release notes:
https://nsis.sourceforge.io/rn/v3.04

Recent posts to news

NSIS 3.12 released

More details for security issue with NSIS <3.11

NSIS 3.11 released

NSIS 3.10 released

NSIS 3.09 released

NSIS 3.08 released

NSIS 3.07 released

NSIS 3.06.1 released

NSIS 3.05 released

NSIS 3.04 released