In terms of game file size, you will need at least 4 GB of free disk space available. The Journey: Bob's Story system requirements state that you will need at least 2 GB of RAM. If possible, make sure your have 4 GB of RAM in order to run The Journey: Bob's Story to its full potential. The cheapest graphics card you can play it on is an AMD Radeon 540. But, according to the developers the recommended graphics card is an NVIDIA GeForce 6100. An Intel Core i3-530 CPU is required at a minimum to run The Journey: Bob's Story. Whereas, an Intel Core i5-650 is recommended in order to run it.
The Journey: Bob's Story will run on PC system with Windows 7 and upwards.
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