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Windows 7: Can I install 7 64 bit on a 32 bit 7 system on a diifferent drive?

18 Dec 2011   #1
eilhart

Windows 7 Ultimate 32bit
 
 
Can I install 7 64 bit on a 32 bit 7 system on a diifferent drive?

I have 32 bit Windows 7 Ultimate installed on my C drive. I want to install 64 bit Windows 7 on my D drive. I have several questions.

1. I have enough space on my D drive but would the installation wipe the D drive clean while installing?

2. Is it any concern if I install a different version than Ultimate on D drive?

3. Would I be able to access and use software already installed on C or D drive?

4. How will Windows handle boot? Will there be a selection screen at boot?

I'm doing this in order to utilize the extra 0,75 gb ram (I have 4 gbs of ram installed currently) to have better performance in some games and to be able to use DX11 features with a certain game because it has issues with 32 bit Windows 7 for now.


My System SpecsSystem Spec
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18 Dec 2011   #2
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

I assume that C drive and D drive are 2 seperate physical drives. If that is the case, I would unplug your C drive whilst you are installing on the D drive. For that you need a seperate product key. You can then control the bootsequence via the BIOS.

To avoid any possible wiping of the D drive, define a primary, active partition on it that is large enough (e.g. 50GB) then install to that partition.

And no, nothing of the program installations can be shared. You can, however, access data from both systems. I suggest to put the data into a seperate data partition on either drive.

PS: my question would be why are you doing that.
My System SpecsSystem Spec
18 Dec 2011   #3
eilhart

Windows 7 Ultimate 32bit
 
 

1. Ok, I'll just create a new drive then.

2. Is it any concern if I install a different version than Ultimate on the new drive?

4. I'm not sure how to unplug my C drive. Is it really necessary? I thought using EasyBCD to make a boot selection screen would work if Windows doesn't do it itself. I did that when I tried Windows 8 on my netbook along with Windows 7.

As for your question, I have already answered that in my first post. I'll just copy and paste. You should've missed it.

Quote:
I'm doing this in order to utilize the extra 0,75 gb ram (I have 4 gbs of ram installed currently) to have better performance in some games and to be able to use DX11 features with a certain game because it has issues with 32 bit Windows 7 for now.
My System SpecsSystem Spec
.


18 Dec 2011   #4
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

There is something that is not clear. You use the term "Drive" - that is often used for another prtition on the same disk, but the correct semantic is for a different physical drive.

Do you actually have 2 different physical drives (for which my post would apply) or is it just another partition on the same disk. Then you would have to use a different approach.

Also do you have an extra license key for the 64bit version. Else it will not activate.

Quote:
I'm doing this in order to utilize the extra 0,75 gb ram
This is completely irrelevant. You can run only 1 system at a time.
My System SpecsSystem Spec
18 Dec 2011   #5
eilhart

Windows 7 Ultimate 32bit
 
 

I'm a little confused. Don't you call partitions also drive? I have one harddisk. It has C, D and E partitions currently. I also call them C, D and E drives. I didn't realize it was wrong or have I still not got it?

Quote:
You use the term "Drive" - that is often used for another prtition on the same disk, but the correct semantic is for a different physical drive.
Sorry but I don't understand this sentence. Maybe the second "for" is extra there. When you leave the "for" out it makes sense. With "for" I feel the sentence must continue but it's left incomplete.

I didn't know I needed another key but I'll buy it.

Quote:
This is completely irrelevant. You can run only 1 system at a time.
Why is it irrelevant? I don't think you understand my words correctly. I'm using 32 bit Windows 7 currently and it can utilize 3,25 gbs of 4 gbs ram I have total. When I install Windows 7 64 bit on a newly created partition, it will use all the ram I have. Thus, the extra 0,75 ram. I'm not planning on running 64 bit system on virtual machine or something. I'll boot into actual 64 bit OS and install the game I'm having problems there. I hope it is clear now.
My System SpecsSystem Spec
18 Dec 2011   #6
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

I got you now. You want 64bit so that all of your 4GBs of RAM are being used. Sorry I had missed that context. You should know though that this will have only a VERY minor impact on your overall performance. Look into Resource Manager > Memory tab. There you will see how much RAM your system is actually using. It is only a fraction of the total. Most is used for caching (the dark blue part).

If I were you, I would invest my money in an SSD rather than another Win7 license. That will give you a BIG performance boost.

Regarding the wrong use of the term "drive" you are not the only one. A partition is a partition and a drive is the whole unit.
My System SpecsSystem Spec
18 Dec 2011   #7
eilhart

Windows 7 Ultimate 32bit
 
 

Ah, thanks. I didn't know how that word was used as the whole unit. (I'm training to be an English teacher.)

It is also for that game I mentioned before, which needs 64 bit system to use DX11 properly. The awaited patch for the game completely removed usage of DirectX 11 features from the game for 32 bit systems. Maybe you're right. I'll consider the choice between SSD and a 64 bit system. I'm aware that little extra ram won't do much but I'm expecting a little more smoothness in some games.

Thanks for all your help.
My System SpecsSystem Spec
18 Dec 2011   #8
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

If you really want to go to 64bit, I suggest to install it in lieu of the 32bit system - not in addition to the 32bit. And try to get a cheap license, e.g. at Newegg they sometimes have Home Premium for $80 on sale.
My System SpecsSystem Spec
18 Dec 2011   #9
eilhart

Windows 7 Ultimate 32bit
 
 

Thanks again. I'll check out Newegg.
My System SpecsSystem Spec
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 Can I install 7 64 bit on a 32 bit 7 system on a diifferent drive?




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