$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install PlayOnLinux on Gnu/Linux Distros

GNU/Linux Installing PlayOnLinux Guide

How to Install and Getting Started with PlayOnLinux 4.x/5.x in GNU/Linux desktops – Step by step Tutorials.

And PlayOnLinux for Linux is a piece of software which allows you to easily install and use numerous Games and Apps designed to run with Microsoft Windows.

Because Few games are compatible with GNU/Linux at the moment and it certainly is a Factor preventing the Migration to this system. PlayOnLinux brings a Cost-Free, Accessible and Efficient Solution to this problem.

Finally, the guide includes detailed instructions on How to Getting Started Installing Windows Software with PlayOnLinux on Linux.

How to Install PlayOnLinux on GNU/Linux Distros

Especially relevant: PlayOnLinux 5 is currently in a Pre-release development phase. So first try to setup your App with PlayOnLinux 4!

GNU/Linux PlayOnLinux Installation Guide