Windows 10: Windows 10 Home - What is the maximum RAM it will address?

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  1. Posts : 4,348
    Win 10 Pro x64
       02 Oct 2015 #11

    halasz said: View Post
    Not correct. Look at @Dude post #2. For x64 Windows 7 Home premium has maximum RAM of 16GB.

    Windows 10 Home has a maximum for x64 of 128GB so it clearly does make a difference (Win 7 vs Win 10).

    The OP had a problem going over 16GB on 7 - not anything to do with 32/64 bit installs.
    Look again. x86 is 32-bit.
      My ComputerSystem Spec

  2.    02 Oct 2015 #12

    badrobot said: View Post
    Look again. x86 is 32-bit.
    Yes. So what? Look again at the OP question. The limit in 7 home premium is 16GB. The limit in 10 Home is 128GB. He or she never had 16GB in 32bit 7 home premium - it is impossible and they never said that.

    You are correct about 32 bit but are answering a different question to that which was asked unfortunately
      My ComputerSystem Spec


  3. Posts : 4,348
    Win 10 Pro x64
       02 Oct 2015 #13

    halasz said: View Post
    Not correct. Look at @Dude post #2. For x64 Windows 7 Home premium has maximum RAM of 16GB.

    Windows 10 Home has a maximum for x64 of 128GB so it clearly does make a difference (Win 7 vs Win 10).

    The OP had a problem going over 16GB on 7 - not anything to do with 32/64 bit installs - that was someone else jumping in
    Ok, I probably misunderstood just like someone else.
      My ComputerSystem Spec

  4.    02 Oct 2015 #14

    halasz said: View Post
    You would need to clean install 64 bit to use all your RAM. For 32bit 4GB is the maximum and a certain amount of this is allocated to devices so what you are seeing is normal for 32 bit.

    I wasn't sure on the limit since windows 10 is new I would think they would have done away with it, I have tried to use 64 bit software but I always get the won't work on my system message when it should, I'm not very good when it comes to software but can tell you all about hardware in my sleep... lol, oh well, thank you for responding
      My ComputerSystem Spec

  5.    03 Oct 2015 #15

    badrobot said: View Post
    Basically, if your system is 32-bit, you can only install 32-bit OS which can only address 4GB max of RAM.
    It has nothing to do with Windows version ( Win 7 vs Win 10). It depends on the type of system you have (32-bit or 64-bit).
    if you bought a retail copy of your operating system it may have a dist for both 32 bit and 64 bit, I know my win7 ultimate did and to solce my memory on my 64 bit machine, I wiped the system of the 32 bit operating system and installed the 64 bit software, then ran the free win10 update using the 64bit tool and it all went in smooth, so check your OS software if you have a 64 bit machine you can go to start/control panel/system and security/ system and it will give you all the pertanants on your machine, I took a guess on mine and I was right, if you have a 64 bit processor then you have a x64 machine I believe as long as you have that you can use 64 bit software, and if you have that and are so lucky as to have a 64 bit copy of your operating system as well as the 32 bit then I would suggest you wipe the 32 and install the 64, but you might get a better solution from these other guys who lok to know more about the problem, I just took a guess and it worked for me... good luck to you
      My ComputerSystem Spec


  6. Posts : 2,239
    Windows 10 Pro 64-bit 1607 (AE build 14393.1198)
       03 Oct 2015 #16

    Press Win+R to see the run box. Type winver and execute it. You can also see it from System Info or System Properties in Control Panel. Search that in the search box. See if you have 32-bit or 64-bit Windows (probably the first). You either format and install 64-bit to use all your RAM, or wait for a patch to be made for Windows 10. In Windows XP, Vista, 7 and 8 there is a patch that enables PAE in the kernel and allows a 32-bit Windows to use all the RAM. Beware however that there might be some incompatibilities when doing that. If your installation is new and you don't have much applications installed and data, don't think about it, the best option it to format and install 64-bit version. I may be wrong, but I think the serial is the same for both the 32-bit Home and 64-bit Home, so you shouldn't have any problem. The only issues you may have with a 64-bit version have to do with very old devices that lack a 64-bit driver (have only 32-bit) and old 32-bit applications that may not be fully compatible with 64-bit Windows. Mosts 32-bit applications are compatible with 64-bit Windows but there are a few exceptions. Of course forget very very old 16-bit applications and games (Windows 95 era). They won't work in 64-bit.
      My ComputerSystem Spec

  7.    03 Oct 2015 #17

    halasz said: View Post
    Not correct. Look at @Dude post #2. For x64 Windows 7 Home premium has maximum RAM of 16GB.

    Windows 10 Home has a maximum for x64 of 128GB so it clearly does make a difference (Win 7 vs Win 10).

    The OP had a problem going over 16GB on 7 - not anything to do with 32/64 bit installs - that was someone else jumping in
    Yes, the original poster did, but poster #5 posed a different problem, he had problems going over 2.98GB and all the responses since then have been about that.
      My ComputerSystem Spec


  8. Posts : 2,239
    Windows 10 Pro 64-bit 1607 (AE build 14393.1198)
       03 Oct 2015 #18

    For poster #5, I would see the BIOS for the graphics setting. I would make sure the shared RAM from the system is maximum 256MB to leave more RAM available for the system. I would even make it 128MB. This would raise the usuable RAM just over 3GB which is the practical limit of a 32-bit system anyway.
      My ComputerSystem Spec


 
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