Say you want to install SimpleSAMLphp in windows Apache/Xampp. Let me tell you what I did so far:
1. I have downloaded latest stable version from https://simplesamlphp.org/download and placed the unzipped file in Apache folder, i.e. C:\Apache24\simplesamlphp directory contains composer.json. I have downloaded dependencies as well.
2. Now when I am going to setup the vhost as shows in the site 6. Configuring Apache section as
<VirtualHost *:80>
ServerName localhost
DocumentRoot C:/Apache24/htdocs
<VirtualHost *:80>
ServerName service.example.com
DocumentRoot C:/Apache24/service.example.com
Alias /simplesaml C:/Apache24/simplesamlphp/www
3. Changed the config file
Now I faced the problem: I am unable to open the Alias in browser. And running httpd.exe in browser shows error about the example.com does not exist.
Later I found that I was doing some mistake... I am going to add one vhost, rather in Windows Xampp, there is one file /xampp/apache/conf/extra/httpd-xampp.conf. Need to add one Alias below /phpmyadmin statement:
Alias /simplesaml "C:/xampp/simplesamlphp/www"
<Directory "C:/xampp/simplesamlphp/www">
AllowOverride AuthConfig
Require all granted
</Directory>
Now restart server and hit http://localhost/simplesaml/ and all you go...Enjoy you SAML!!!!!!!!!!!!!!!!