The cheapest graphics card you can play it on is an AMD Radeon HD 6250. Futhermore, an NVIDIA GeForce GTX 960 is recommended in order to run Pillars of Eternity II: Deadfire with the highest settings. You will need at least 45 GB of free disk space to install Pillars of Eternity II: Deadfire. An Intel Core i3-2100T CPU is required at a minimum to run Pillars of Eternity II: Deadfire. However, the developers recommend a CPU greater or equal to an Intel Core i5-2400 to play the game. Pillars of Eternity II: Deadfire system requirements state that you will need at least 4 GB of RAM. If possible, make sure your have 8 GB of RAM in order to run Pillars of Eternity II: Deadfire to its full potential.
Pillars of Eternity II: Deadfire will run on PC system with Windows Vista 64-bit or newer and upwards. Additionally it has Mac and Linux versions.