64bit vs 32bit os windows

i dont which one should i install Windows 7 64bit or 32bit cause i have 4gb of ram i cant install Windows 7 32bit that i have in my pendrive i dont have windows 7 64bit have to buy it i dont have budget for can i install 32bit and install 64bit for free in Microsoft site?
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  1. Windows 32-bit limits the usable memory to around 3.5GB.

    The licence key you have, can be reused for Windows 64-bit and you can download an ISO legally from

    https://www.microsoft.com/en-gb/software-download/windows7

    Then use Rufus to extract to USB, for booting off to install.

    https://rufus.akeo.ie/
  2. No, you can't "upgrade" from 32-bit Windows to 64-bit Windows. Essentially, it's a complete reinstall.

    Things to consider:
    -- 32-bit Windows requires less resources to run than 64-bit Windows (IIRC, minimum RAM is 1GB for 32-bit vs. 2GB for 64-bit; both technically recommend that you have 4GB of RAM)
    -- 32-bit Windows is limited to a maximum of 4GB of RAM; 64-bit Windows can access a whole lot more, depending on the version -- Windows 10 Home, for example, can have a maximum of 128GB of RAM, while Windows 10 Pro/Enterprise/Education can have a maximum of 2TB of RAM (although you're primarily going to see that with server-grade motherboards, as most consumer motherboards top out at 64GB anyway)
    -- 32-bit Windows is going to limit the applications that you can use. It's not as critical if you're not planning on playing games, but a lot of the newer games are specifying a 64-bit Windows (mainly because a) they use DirectX 12 or b) they require at least 8GB of RAM to run).
  3. das_stig said:
    Windows 32-bit limits the usable memory to around 3.5GB.

    The licence key you have, can be reused for Windows 64-bit and you can download an ISO legally from

    https://www.microsoft.com/en-gb/software-download/windows7

    Then use Rufus to extract to USB, for booting off to install.

    https://rufus.akeo.ie/
  4. guys sory im late i dont no y im getting hd error 2 hard drives got bsod error and 1 hd got bad sector error and i bought new one thinking they wer bad does it has anything to do with the drivers i install cause i don't have cd player in my pc so had to install from Internet some of em wont install but the main drivers i have installed correctly
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