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How to tell if i have 32 or 64 bit mac os x

The Apple tech notes say this very clearly. Actually, all Macs except for the Xserve default to the 32bit kernel. This is justified since the Xserve is a specialized piece of equipment where you can be sure all device drivers are built as 64bit. In the overview it will list bit Kernel and Extensions. Your machine needs to have 64bit EFI, which only the newest Macs have.

Windows 8 and 10

If you want to check for that use: ioreg -l -p IODeviceTree grep firmware-abi. Name required. Mail will not be published required.


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32-bit vs 64-bit - Your Questions Answered

June 26, at pm. Mark says:. January 26, at am. November 19, at pm.


  1. Find 32-bit apps on your Mac through Activity Monitor.
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  3. How to Tell if Your Mac is 32-bit or 64-bit.

Anonymous says:. November 15, at pm. Ani says:. November 13, at pm. January 31, at pm. Matt says:. August 5, at pm.

How to Check if an Application is 32-bit or 64-bit on a Mac

June 27, at am. Jason says:. If you are asking whether its 32 or 64bit, then its 64Bit.

Earlier versions of Windows

Intel has not made a 32Bit processor in several years. Jan 20, PM. Page content loaded. Feb 18, AM in response to haydeefromdoral In response to haydeefromdoral. Feb 18, AM. So go here everyman. Feb 19, PM in response to kdjc95 In response to kdjc Feb 19, PM. Jan 20, PM in response to kdjc95 In response to kdjc Feb 12, PM. The Core 2 Duo line was intel's first consumer bit processors.

bit vs bit - Your Questions Answered

I think the Xeon commercial line when bit before the Core 2 Duo line. All the i5 and i7 intel processors are bit. Feb 13, AM. Sep 18, PM in response to kdjc95 In response to kdjc Sep 18, PM. Oct 14, PM in response to kdjc95 In response to kdjc Oct 14, PM. The section on the right may go blank for a moment.

This is because your Mac is compiling a list of software on your Mac. When the window appears, it will have two sections. The top section is the list of software. The bottom section shows more details about an item if you click on it in the list.


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  • How to Tell if Mac is Running a bit or bit Kernel in Mac OS X;
  • If you click and hold the dot in the divider between the two sections, you can resize the window so you can see more of the list, or more of the details. Once you see the bit Intel column, you can click, hold, and drag it to the left to reposition it closer to the app names. Now you can see if a particular app on you Mac is bit or not.

    But it only works when an app is launched and running.

    How to find out if your Mac’s software is 32- or 64-bit

    In the CPU section, you see a list of apps running on your Mac. Right click the top row of categories. In the pop-up list that appears, select Kind.