An Intel Core 2 Duo E8400 CPU is required at a minimum to run Sampling. The cheapest graphics card you can play it on is an NVIDIA GeForce 510. In terms of game file size, you will need at least 500 MB of free disk space available. Sampling system requirements state that you will need at least 4 GB of RAM.
Sampling will run on PC system with and upwards. Additionally it has a Mac version.
