Is my mac air 64 bit

If it says Intel bit , then as the text says, you are running 64 bit mode. You must show All processes , from te dropdown next to the search box filter. Then you can check Nate Bird 's answer on what processor you have and the supported modes for it. Many OS X programs come in universal binary format, meaning that they have multiple versions some combination of PowerPC bit, PowerPC bit, Intel bit, and Intel bit included in the same file. Eclipse apparently doesn't come this way, so you have to decide which version to download. I'm not familiar enough with it to know if it has to run in the same mode as what you're trying to debug; if so, run your program, and look for it in Activity Monitor to see what mode it's running in.

If Eclipse doesn't have to be in the same mode or the Java code just runs inside Eclipse , then you can use either one unless you're on a bit-only CPU, i.

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Core Solo or Core Duo. Run uname -a in the shell to show details about the kernel. As already stated by Gordon Davisson, fat binaries may include both bit and bit executables of a program see also Multiple Architecture, Single Build. By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies. Home Questions Tags Users Unanswered.

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How to check whether my Intel-based Mac is bit or bit Ask Question. CajunLuke What version of the OS are you running? When was your MacBook Pro built? It's quite simple. Go to the Apple logo and select "About this Mac. If it says Core 2 Duo, then it is 64bit ignore the 32bit kernel issue, it will run 64bit software just fine. Physically, if your MBP has a black keyboard, it is absolutely 64bit.

The original MBPs had a silver keyboard and the 32bit units were all but replaced in early So if you purchased your model even in the later course of , then it is a Mac capable of running 64bit. Also, if you are running Lion, then you are 64bit as Lion does not run on 32bit Macs. Paul Lefebvre Paul Lefebvre 1 5.

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  7. How to Tell if Your Mac is 32-bit or 64-bit.

System Profiler isn't installed on my machine—or Spotlight can't find it—so this answer won't work for everyone. What is your machine and OS? The name was changed to "System Information" a while ago it's in Utilities folder. I did find the System Information app. It would be good to update the answer for the benefit of others. Unfortunately, I couldn't find the "bit Kernel and Extensions" item in the Software section of the System Information app.

I'm on v If you are using I have Mac OS X Run this on the command line: Cristian Ciupitu 4. Greg Cain Greg Cain 1, 1 13 This is the best answer in my opinion. And a suggestion: Basically if you have anything newer than an MacBook you have a 64 bit processor and OS… Here is the cheat table.

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Nate Bird Nate Bird 1, 12 This does't tell the full story but it's a start. That is true. The line is technically blurry because the kernel may only be running in 32 bit mode but everything else is 64 bit. According to another knowledge base article , MacBook Pro from early through mid support the bit kernel, but do not use it by default. Another option is to use sysctl in a shell: What Is Bit Computing? This is why most people focus on the address space for a specific program rather than whether the hardware is "bit" or how much of it is "bit" It really doesn't matter until you get to a more specific question.

The full output looks something like this: Darwin Macbook-Air. Thu Aug 23 Sridhar-Sarnobat 7. Pav Pav 91 1 1. While this will work, there are several far simpler options that don't require a novice user to enter Terminal. Also this only gives you the arch of the kernel. On a Core2Duo a 64 bit CPU you still only run a 32bit kernel if the bootrom of that machine is not 64bit clean. You can still and should use a 64bit Eclipse on that machine.

But the good thing about this solution is it's cross-platform though yes I know this is the Apple Stackexchange area. CajunLuke CajunLuke All versions of Pro Tools prior to Pro Tools 11 are bit. For further information on Pro Tools 11, please visit http: To determine what version of Ableton Live is currently installed and whether or not it is a bit or bit installation, follow the steps suggested below:.

Most LE versions of the software are bit only.

How to Tell if Your Mac is bit or bit - The Mac Observer

To determine whether the currently installed version is bit or bit, follow the steps below:. To determine which one is currently installed, follow the steps below:. Cockos' Reaper offers the choice to install either the bit or the bit version of the DAW. To determine which version is currently installed, follow the steps suggested below:. When Logic is installed, both the bit and the bit version of the DAW is included in the installation. Prior to opening the program, the user can indicate which version should be opened. All other products or company names are trademarks or registered trademarks of their respected owners.

Recording Monitors Headphones View Accessories. Company Info Careers. Customer Help Knowledge Base. Account Create Account Sign In. Contents bit vs. Mac Operating System - bit or bit? A bit operating system typically only allows for up to about 4 gigabytes of RAM to be utilized by the OS or any of the installed programs. Therefore, it makes sense to only install bit programs on a bit operating system, as a bit program would not be able to access any more RAM than a bit program on a bit operating system.

A bit operating system allows for much higher RAM access and capacity. See your specific operating system specifications for further information on how much memory RAM can be utilized by your specific OS. Quick Fact - A bit operating system will allow for both bit and bit programs to be installed. Quick Fact - A bit plugin can only run in a bit host program. On the right side of the window that opens, locate and right-click on the word Computer.

Then choose Properties.

How to Tell if Your Mac is 64-bit

In window that appears, find the section titled System. Next to System Type , it will state whether the operating system is bit or bit. On the left side of the window that opens, find My Computer and right-click on it.

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Choose Properties. If you do not see x64 Edition listed under System, then you are running the bit version of Windows XP. To determine if you have a bit capable processor: Click on the Apple menu and then choose About This Mac. Locate the Processor Name. Once you have located the processor name, compare it to the table below to determine if the processor is bit or bit capable.

To determine if your Mac OS is running in bit or bit mode: In the Contents pane, choose Software. If bit Kernel and Extensions: To Switch Between bit and bit mode: While powering ON the Mac: If your Mac uses the bit mode by default, but supports the bit mode, you can start up in bit mode by holding the 6 and 4 keys during startup. If your Mac uses the bit mode by default, you can start up in bit mode by holding the 3 and 2 keys during startup.

Why 64-bit Processors Matter in Your Mac

All versions of Ableton Live prior to version 8. To determine what version of Ableton Live is currently installed and whether or not it is a bit or bit installation, follow the steps suggested below: Open Ableton Live. See below for specific locations: Ableton Live 8 pre 8. The version number will show in the About Live splash screen, but there will be no bit or bit reference.