Instead of typing everything as a question in Quora, find the specs online which are readily available. I personally have a PS4 so can not answer by experience. Just open this link and check your system specs against these - GTA 5 PC system requirements announced. read more
If you want to get the most out of GTA V, go to ebay and buy a prebuilt custom gaming computer that is going to cost you around (the start price with exceptional specs) $500 when after you purchase the Windows 7 pro 64 bit license (gaming computer kits come with trial version of Windows 7 pro (or home premium) 64 bit. read more