Unfortunately, GTA 5 run on 32-bit system is impossible. The reason is that the minimum system requirements to run GTA 5 on PC require at least 4 GB of RAM. 32-bit system is limited to only 3 GB of memory, even if your system has installed RAM of greater capacity. In this case, in order to start the GTA 5 on PC, you need to install a 64-bit operating system.
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