The cheapest graphics card you can play it on is an Intel 82945G Express. Mortal Manor system requirements state that you will need at least 2 GB of RAM. To play Mortal Manor you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. You will need at least 50 MB of free disk space to install Mortal Manor.
Mortal Manor will run on PC system with Windows 10 and upwards.
Show Mortal Manor system requirements on your site