Here is the PC requirements for Hyperdimension Neptunia Re;Birth3: V Generation

Idea Factory finally shared more details about the game, including the release date, which had been anticipated. Re; Birth3: V Generation PC version is certain to be released on 30 October 2015. Although the pre-order process has not been opened, Idea Factory promises to provide rebates of up to 40 percent of gamers who buy it in the first week. Compared with the PS Vita version, the PC version of this of course comes with the better visualization quality and better resolution. Make sure your PC can handle the games:

Minimum Requirements

    OS: Windows 7(64bit)
    Processor: Core2Duo 2.66 GHz
    Memory: 4 GB RAM
    Graphics: DirectX 10.x or OpenGL 3.3 or better graphics card with 1 GB RAM and support for v4 shaders
    DirectX: Version 10
    Hard Drive: 14 GB available space
    Sound Card: DirectX 9.0c compatible sound card
    Additional Notes: Caution: ATI Mobility Radeon HD 5xxx, 1GB VRAM 5000 series may not work properly with this game.

Recommended Requirements

    OS: Windows 7(64bit) or later
    Processor: 3GHz Intel i3 or equivalent
    Memory: 8 GB RAM
    Graphics: DirectX 10.x or OpenGL 3.3 or better graphics card with 1 GB RAM and support for v4 shaders
    DirectX: Version 10
    Hard Drive: 14 GB available space
    Sound Card: DirectX 9.0c compatible sound card
    Additional Notes: Caution: ATI Mobility Radeon HD 5xxx, 1GB VRAM 5000 series may not work properly with this game.