PostgreSQL 18

PostgreSQL 18 18.6-5

The World's Most Advanced Open Source Relational Database

Download for Windows

About PostgreSQL 18

PostgreSQL is a powerful, open source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.

Technical details

PublisherPostgreSQL Global Development Group
Version18.6-5
Release date2026-10-01
LicensePostgreSQL
Installer typeexe
Architecturex64
Package IDPostgreSQL.PostgreSQL.18
Install scopeAll users

Install PostgreSQL 18 from the command line

Install with Windows Package Manager
winget install --id=PostgreSQL.PostgreSQL.18 -e
Update to the latest version
winget upgrade --id=PostgreSQL.PostgreSQL.18 -e
Uninstall
winget uninstall --id=PostgreSQL.PostgreSQL.18 -e
Silent install with the offline installer
"postgresql-18.6-5-windows-x64.exe" --mode unattended --unattendedmodeui none
Install to a custom folder
"postgresql-18.6-5-windows-x64.exe" --prefix "D:\Apps\PostgreSQL 18"

databasedb

PostgreSQL 18 version history

18.6-4 Sep 18, 2026
18.6-3 Sep 1, 2026
18.6-2 Aug 31, 2026

Other versions

  • 18.6-1
  • 18.4-2
  • 18.4-1
  • 18.3-3
  • 18.3-2
  • 18.3-1

Frequently asked questions

Is PostgreSQL 18 free?

PostgreSQL 18 is postgresql software from PostgreSQL Global Development Group. Check the publisher's license terms for pricing and usage rights.

What is the latest version of PostgreSQL 18?

The latest version is 18.6-5, released on Oct 1, 2026.

Is it safe to download PostgreSQL 18?

The download button links to the official installer published on get.enterprisedb.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 227e2bc08091b4c2b8338c7d61b11d057f895711480b006f90bfcfcd2410a58a.

Which Windows versions does PostgreSQL 18 support?

PostgreSQL 18 runs on Windows and is available for 64-bit (x64) systems.

How do I install PostgreSQL 18 silently?

Run the offline installer with "postgresql-18.6-5-windows-x64.exe" --mode unattended --unattendedmodeui none, or install it with Windows Package Manager: winget install --id=PostgreSQL.PostgreSQL.18 -e --silent.

How do I uninstall PostgreSQL 18?

Open Settings › Apps › Installed apps, find PostgreSQL 18 and select Uninstall. From the command line, run winget uninstall --id=PostgreSQL.PostgreSQL.18 -e.

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