Want my machine to have 64-bit OS but it's a 32-bit

Hi Folks, I want to install a program that needs a 64-bit OD, but my Dell Optiplex 755 says that it has a 32-bit OS with a 64-bit processor. Can anyone help me? OR should I just buy a new (or used) machine that already has it?
Thank you kindly.

Here is the basic system information:

Processor: Intel(R) Core(TM)2 Duo CPU E6550 A 2.33GHz 2.33 GHz.
Installed memory (RAM): 2.00 GB.
System type: 32-bit Operating System, x64-based processor.

Here is the DxDiag.txt:
Time of this report: 3/6/2017, 09:17:44
Machine name: DESKTOP-IAEQ611
Machine Id: {235E34B3-6159-497E-B398-77E50052429B}
Operating System: Windows 10 Home 32-bit (10.0, Build 14393) (14393.rs1_release.161220-1747)
Language: English (Regional Setting: English)
System Manufacturer: Dell Inc.
System Model: OptiPlex 755
BIOS: Phoenix ROM BIOS PLUS Version 1.10 A10
Processor: Intel(R) Core(TM)2 Duo CPU E6550 @ 2.33GHz (2 CPUs), ~2.3GHz
Memory: 2048MB RAM
Available OS Memory: 2014MB RAM
Page File: 4263MB used, 1580MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 12
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
Miracast: Not Available
Microsoft Graphics Hybrid: Not Supported
DxDiag Version: 10.00.14393.0000 32bit Unicode
5 answers Last reply Best Answer
More about machine bit bit
  1. While I'm sure you could install a 64-bit OS on that machine, it is heavily outdated. You could gain a great amount of performance capability from a new system.

    What are you using this system for?
  2. Only two gigs of system memory. OUCH. Yeah you COULD re-install Windows 64 bit but man that system is VERY old and outdated at this point. You would be doing yourself a huge favor by buying a replacement new or used.
  3. I want to run Vectorworks 3d modeling software. I do want a new (or used) system, but not sure what to get and where to get it. I could go to Best Buy, but I don't want to spend more than $500. I want to use the solid state drives I already have, I think I can reuse them. I also want a dedicated graphics card.
    Thanks everyone.
  4. Your current system doesn't meet the minimum requirements to use it.
  5. Best answer
    Depends on what all you can re-use from your current system, i.e. PSU, Case, etc.

    This build of core components is right at $500 including Windows 10 Home 64-Bit. Note it's missing a power supply, disk drives, and case.

    "The following are real-world system requirements for running Vectorworks 2017. In some demanding cases, we would suggest a more capable machine than is described by these recommendations. Likewise, there are some less demanding situations where Vectorworks will perform well on older hardware."

    You could probably get by with an i3 or even Pentium G4560 (or other hyper-threaded Kaby Lake Pentium), which could knock off $100 on your CPU purchase.

    **Better yet, just find a complete tower with an i5-2400/2500 on Ebay. You could probably even find one with a 64-bit Windows OS. They're cheap, like $100-$150. You'll just want one with a micro-ATX or mid-tower that can fit a dual-slot GPU.
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