Refers to processors where integers and other data are stored in 32-bit registers. This has been the dominant processor architecture for a while, only recently being superseded by 64-bit operating systems.

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76
votes
8answers
26k views

Why does Windows only show about 3.5 GB of my more than 4 GB of RAM?

I recently upgraded my computer's RAM to 4 GB. My 32-bit Windows installation shows only 3574 MB of the memory. How can I make Windows use the full amount of RAM?
189
votes
19answers
38k views

32-bit vs. 64-bit systems

What are the differences between 32-bit and 64-bit systems? If you have used both of them, what kind of sharp differences have you experienced? Would it be a problem to use 32-bit programs on 64-...
21
votes
9answers
60k views

Is there way to enable more than 4 GB RAM in 32-bit Windows OS?

I upgraded my PC to 4 GB RAM and I get only 3 GB. Windows 7 32-Bit consider that I've 4 GB RAM but didn't use more than 3 GB. Someone told me that MS Windows 32-bit doesn't support RAM larger than 3 ...
34
votes
8answers
22k views

Is there any benefit from installing Windows 7 64-bit when you have less than 4GB of RAM?

I've recently purchased Windows 7 Ultimate. I have an AMD Athlon64 X2 5000+ with 2GB DDR2 RAM. I know RAM has gotten much cheaper, I know, I know, but I am not going to be able to upgrade my RAM for ...
5
votes
3answers
63k views

Unable to open IE 10 in 32-bit mode

I need to run IE 10 in 32-bit mode on 64-bit Windows 7 Enterprise N. When I run IE 10 from "C:\Program Files (x86)\Internet Explorer" I can see in task manager that I have only one process "iexplorer....
17
votes
4answers
74k views

Can a 32 bit OS run in a 64 bit processor?

What's the difference between 32 bit OS and 64 bit OS? Can a 32 bit OS run in a 64 bit processor?
11
votes
6answers
9k views

How to tell if a computer has a 64-bit CPU or OS

How you can check if your computer Has an x86 (32-bit) or x86-64 (64-bit) processor? Is running a 32 bit or 64 bit operating system?
90
votes
11answers
125k views

Quick way to tell if an installed application is 64-bit or 32-bit

I've got a third-party application (in this case Cognos Data Manager) installed on 64-bit Windows Server 2003. Is there a quick way to determine if an application has been built/compiled as a 64-bit ...
17
votes
5answers
205k views

How to check whether my hardware is 64-bit capable in Windows?

My OS is 32-bit but I want to know if my hardware support 64-bit
14
votes
10answers
39k views

Detect Windows Server version 32/64-bit in CLI

What's the best and quickest way to detect whether you're running a 32 or 64-bit version of Windows Server from the command line? (Cygwin is installed)
8
votes
3answers
40k views

Can I upgrade from Windows 7 32-bit to Windows 7 64 bit without reinstalling all of my software? [duplicate]

Possible Duplicate: When reinstalling Windows 7, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I'm getting a new PC soon and thinking ...
3
votes
2answers
30k views

Can 64-bit software run on 32-bit OS?

I have a 64-bit machine that has Windows 7 32-bit and Ubuntu 32-bit installed as a dual boot setup. Can I run 64-bit software on top of these 32-bit OSes, or are they a "bottleneck" limiting the true ...
90
votes
4answers
81k views

Can a 32-bit OS machine use up all 8GB RAM + 20GB page file?

What I understand about 32-bit OS is, the address is expressed in 32 bits, so at most the OS could use 232 = 4G memory space -- I assume the unit is bytes, so 4GB. Does this mean if any machine with ...
2
votes
5answers
484 views

Memory sticks, 32 and 64 Bit OS

My current setup: Windows Vista, 32 bit 2 sticks of 1 GB Kingston HyperX 1333Mhz ram Asus P5K3 Deluxe Motherboard My Theoretical, temporary setup Windows Vista, 32 bit 4 sticks of 2 GB, 1333 ...
323
votes
18answers
155k views

If 32-bit machines can only handle numbers up to 2^32, why can I write 1000000000000 (trillion) without my machine crashing?

32 bit computers can only store signed integers up to 232 - 1. This is why we have run out of ipv4 addresses and have entered the 64 bit era. However, the number 232 - 1 (2,147,483,647) is not as ...
7
votes
3answers
48k views

Is it possible to use a 32-bit driver on 64-bit Windows 7?

I know it's not possible to install a 32-bit driver in the traditional way, but I really cannot find a 64-bit driver for my memory card reader. Is there anyway I can somehow use this device with a 32-...
14
votes
5answers
5k views

What is the difference between 64-bit and 32-bit Operating systems? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I know that there are 2 types of OSs, 64 bit and 32 bit What is the main differences between them? And if I am buying a new laptop, which one ...
9
votes
5answers
2k views

Can I install windows 7 x64 in a VPC where the host is vista x86?

Before I waste my time trying is this possible? If not, i'll just install win 7 x86 on the VPC.
5
votes
2answers
8k views

Can I legally downgrade from Win 7 64 bits to Win 7 32 bits? [duplicate]

Possible Duplicate: When reinstalling Windows 7, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? Tired of the unstable Win 7 64bit I got ...
131
votes
16answers
87k views

How to check if a binary is 32 or 64 bit on Windows?

So, I need to do just that before I move the program to 32bit machine and experience a spectacular failure. Is there an easy way to do this?
13
votes
3answers
15k views

Is my install 32 or 64bit?

I'm trying to find out if my Ubuntu install is 32 or 64bit. The best I can find is "i686" does this mean its 32 bit? Whats the correct way of finding out if the Ubuntu installed on my laptop is 32 ...
5
votes
3answers
7k views

Mac OS X: How can I tell if I'm in 64-bit mode?

I can't remember how to see if my OS X (10.6) installation is running in 32-bit or 64-bit mode.
5
votes
2answers
12k views

Running 64 bit programs on a 32 bit system

As the title says, is there a way of running a x64 bit program on a 32 bit system ? If not, is there an emulator or is there a way of upgrading from 32 bit to 64 bit for free? NOTE: I am using ...
6
votes
10answers
57k views

How can I determine whether my processor is 32-bit or 64-bit?

How can I determine whether my processor is 32-bit or 64-bit? My processor is AMD Phenom 8450 triple-core.
4
votes
5answers
7k views

I have 4GB of RAM installed but only 2GB are useble?

In the BIOS it says 4096MB, so the BIOS detects it. However Windows 7 only lets me use 2048MB. What's the problem?
2
votes
2answers
4k views

Can't boot a 64bit Windows USB from a tablet originally installed with 32-bit OS

I have an Acer Iconia W4-820 Tablet which has an Intel Atom Z3740 64-bit CPU, but the Windows version installed on it is 32-bit. I'm trying to install 64 bit Windows on it by making a bootable USB ...
10
votes
10answers
33k views

8GB RAM on XP Professional [duplicate]

I recently installed 8GB of RAM onto a quad core workstation (HP xw8600) running Windows XP Pro (32-bit). I added the /PAE switch in the boot.ini file, but the SysInfo is saying 3GB total memory ...
10
votes
9answers
23k views

For a PC with 1GB RAM, should I install 32 Bit or 64 Bit Windows 7?

I would like to install Windows 7 Ultimate on a PC with 1GB of RAM. What's better for me? The 32 or 64-bit version?
9
votes
4answers
2k views

What happens when you install > 4GB of RAM in a computer with a 32-Bit OS?

So I'm a programmer and I'm not a complete idiot so I know exactly why you can't access memory where you can't have pointers. But I've never tried this and I don't think I ever will because it seems ...
-1
votes
4answers
329 views

Why is it that 32bit Windows XP can only address 3GB [duplicate]

Possible Duplicates: Windows XP and RAM 3.5GB+ How to Check RAM Size without Looking at Motherboard If Windows XP is a 32-bit operating system, and 2^32 equals 4GB, why can't it support 4GB of ...
13
votes
6answers
56k views

Different PATH environment variable for 32bit and 64bit Windows - is it possible?

Is it possible to have whole or part of PATH environment variable specific to the type of running process's image (32bit/64bit)? When I run some app from within 64bit cmd.exe I would like to have it ...
18
votes
8answers
1k views

Should I choose 32 or 64 bit for Linux?

I own a Linux workstation which currently has 4 GB of RAM and planning to go for 8 GB in the near future. CPU is a Core2Quad Q9550. Should I install a 32 or 64 bit variant of Linux?
0
votes
1answer
2k views

Enable 4 GB RAM usage on Windows 7 32-bit [duplicate]

Possible Duplicate: Why does Windows only show about 3.5 GB of my more than 4 GB of RAM? I have 4 GB of RAM which I understand is the maximum for Windows 7 32 bit. My system recognizes ...
9
votes
8answers
13k views

Merging “Program Files” and “Program Files (x86)” folders in Windows 7 64-bit

Windows 7 64-bit version installs 32-bit programs to Program Files (x86) folder, and 64-bit programs to Program Files folder. Of course, Microsoft must have a reason for doing that, but as a user I ...
6
votes
2answers
12k views

Easiest way to use a > 2TB internal hard disk in Windows XP 32-bit?

I have an 3TB external disk and Windows XP 32 bit. It works as a USB 2 disk with its enclosure, but I want to use it as an internal SATA disk. I don't want to use it as a boot disk, only as a data ...
4
votes
2answers
10k views

Can I use a Windows 7 Professional 32-Bit OEM licence to install the 64-Bit version, too? [duplicate]

Possible Duplicate: When installing Windows 7 or Vista, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I plan to buy a Notebook that does ...
3
votes
4answers
32k views

Commands not working in Windows 7 32-bit command prompt

I have an HP laptop with a Windows 7 32-bit Home Premium operating system. My command prompt doesn't run lots of commands like help, shutdown, ipconfig, ping, etc. I get a message like: 'help' is ...
13
votes
1answer
15k views

Is my Windows 7 x86 license key valid for a x64 installation of Windows? [duplicate]

Possible Duplicate: When reinstalling Windows 7, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I've just got a new laptop with Windows 7 ...
7
votes
6answers
13k views

How can I find out whether my Windows is 32bit or 64 bit?

How can I find out whether my install of Windows (specifically XP and Vista) is either 32 or 64 bit? Additionally, how can I find out if my hardware will support a 64 bit operating system?
3
votes
5answers
786 views

Do i have 32-bit or 64-bit?

I have manually installed Windows 7 Ultimate on my AMD on 32-bit, but i am not sure if i have 32 or 64 bit. My Windows 7 System (CP) tells me i have a 32-bit OS, but that my processor is a AMD ...
3
votes
1answer
5k views

Can I increase Windows XP 32bit's 3.5Gb RAM limit with /PAE? [duplicate]

I have Windows XP Pro 32bit, and cannot upgrade to a 64bit os for various reasons at the moment. I read that I can use PAE to remove the 3.5Gb limit of a 32bit os by editing the boot.ini file. Is ...
2
votes
5answers
2k views

Do I need more RAM for programming if I switch to a 64 Bit OS?

Given that today (for performance reasons?) variables are usually aligned to the "bit-width" (I wanted to use "word-width" here, but on x86 a "word" is still 16 bits right?) of the processor, would ...
2
votes
3answers
11k views

Upgrade from Windows 7 32 bit to 64 bit [duplicate]

Possible Duplicates: Where do I download Windows 7 (legally from Microsoft)? Can I transfer a Windows 7 license to another computer? When reinstalling Windows 7, does the language, version, ...
2
votes
2answers
2k views

How does the number of sticks of RAM influence speed, for the same total amount of RAM? [duplicate]

Which will run faster: four 1GB sticks of DDR2 RAM, or two 2GB sticks? Will they run at the same speed? I'm just curious since they are sold in both sizes, and I have four slots, but only two sticks ...
1
vote
3answers
183 views

installing Win 7 from Vista

I have Win Vista 32 bit system and I want to know if I can install Win 7 64 bit system without doing the so called "clean install". I know if I go from my 32 bit to Win 7 32 bit is a very seamless ...
1
vote
1answer
8k views

Upgrading from 32 to 64 Bit Windows 7, without losing program installations/games [duplicate]

I recently built a new computer and put the wrong installation of Windows on (32 bit), meaning I cannot use all of my RAM. I would like to upgrade to the 64 bit version, though I already have ...
1
vote
3answers
7k views

How to upgrade from Windows 7 x86 to Windows 7 x64? [duplicate]

Possible Duplicate: When reinstalling Windows 7, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I want to move up to Win7 64 bit from Win7 ...
1
vote
4answers
2k views

Is it possible to migrate programs from 32 bit Windows to a new 64 bit Windows machine (both Windows 7)?

I've got a Windows 7 Pro 32 bit PC. Getting a new Windows 7 Home 64 bit. Is there anything I can use to transfer my programs (the ones that don't come in a 64 bit flavor) to the new PC? There is a ...
0
votes
2answers
300 views

Windows 8.1 32bit version upgrade to Windows 10 64bit version

I have a windows 8.1 32bit installation with 4GB of RAM and a x64 capable CPU. I've upgraded the RAM to 8GB and want to do the Windows 10 upgrade... as far as I'm aware the upgrade will do a like for ...
0
votes
0answers
1k views

cannot finish kali linux install without cd or usb but i dont use either

I installed Kali Linux 1.0.7 ISO to my Windows 8.1 32-bit pc. I cant finish my installation because it keeps asking me for my cd even though I do not use a cd or usb stick. What do I do?