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Do i need a 64 bit cpu for a 64bit os?

Yes. 

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@Belo1301 welcome to the forum. remember to read the COC and like and select best answer for you questions! enjoy your stay. 

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Yep, it will refuse to even install on a 32-bit microprocessor. Tho 32-bit versions of OS's will run on a 64-bit CPU.

 

How do i know that hte cpu  I buy is 64 bit?

Sory for the stuped question im new to this :)

All modern desktop microprocessors are 64-bit capable.

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Yes, you would have to go back to before the Athlon 64 (2003) before you would find a 32-bit native architecture.

Or a smartphone

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Yes, you would have to go back to before the Athlon 64 (2003) before you would find a 32-bit native architecture.

Actually, just get a 2006 laptop with the centrino duo platform and you can find 32bit only support (Toshiba Tecra M5 is a good example).

           .;ldkO0000Okdl;.                michael@SUSE-BlackBox
        .;d00xl:^''''''^:ok00d;.            OS: openSUSE 20260405
      .d00l'                'o00d.          Kernel: x86_64 Linux 6.19.11-1-default
    .d0K^'  Okxoc;:,.          ^O0d.        Uptime: 2d 21h 52m
   .OVVAK0kOKKKKKKKKKKOxo:,      lKO.       Packages: 6556
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 lKlKKKKKKKKKK;.;oOKx,..^..;kKKK0.  lKl     GTK Theme: Breeze-Dark [GTK2], Breeze [GTK3]
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Yes, you would have to go back to before the Athlon 64 (2003) before you would find a 32-bit native architecture.

True xD. Even my old X2 7750 was 64bit although it came with 32bit win vista ...

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I havent heard someone ask about 32 and 64 bit cpus since 2008... (are 32 bit ones even manufactured anymore??) 

 

Yes that cpu is 64 bit.

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