Umfend system requirements state that you will need at least 2 GB of RAM. An Intel Core 2 Quad Q6600 CPU is required at a minimum to run Umfend. The cheapest graphics card you can play it on is an AMD Radeon 9200 SE. In terms of game file size, you will need at least 1 GB of free disk space available.
Umfend will run on PC system with Windows 7 SP1+ and upwards.