<para>

There are several different ways of building PostgreSQL on

<productname>Windows</productname>. The simplest way to build with

Microsoft tools is to install <productname>Visual Studio Express 2019

for Windows Desktop</productname> and use the included

compiler. It is also possible to build with the full

Microsoft tools is to install <productname>Visual Studio 2019</productname>

and use the included compiler. It is also possible to build with the full

<productname>Microsoft Visual C++ 2005 to 2019</productname>.

In some cases that requires the installation of the

<productname>Windows SDK</productname> in addition to the compiler.

<productname>Visual Studio Express</productname> or some versions of the

<productname>Microsoft Windows SDK</productname>. If you do not already have a

<productname>Visual Studio</productname> environment set up, the easiest

ways are to use the compilers from <productname>Visual Studio Express 2019

for Windows Desktop</productname> or those in the <productname>Windows SDK

10</productname>, which are both free downloads from Microsoft.

ways are to use the compilers from

<productname>Visual Studio 2019</productname> or those in the

<productname>Windows SDK 10</productname>, which are both free downloads

from Microsoft.

</para>

<para>

Both 32-bit and 64-bit builds are possible with the Microsoft Compiler suite.

32-bit PostgreSQL buils are possible with

<productname>Visual Studio 2005</productname> to

<productname>Visual Studio 2019</productname> (including Express editions),

<productname>Visual Studio 2019</productname>,

as well as standalone Windows SDK releases 6.0 to 10.

64-bit PostgreSQL builds are supported with

<productname>Microsoft Windows SDK</productname> version 6.0a to 10 or