Windows 7 Professional 64 Bit Size
Memory type Limit on X86 Limit in 64-bit Windows; User-mode virtual address space for each 32-bit process: 2 GB Up to 3 GB with IMAGEFILELARGEADDRESSAWARE and 4GT: 2 GB with IMAGEFILELARGEADDRESSAWARE cleared (default) 4 GB with IMAGEFILELARGEADDRESSAWARE set: User-mode virtual address space for each 64-bit process. Windows 7 professional 64 bit free download - Windows 7 (Professional), Protector Plus Internet Security 64 Bit, nVidia Graphics Driver (Windows Vista 64-bit / Windows 7 64-bit / Windows 8 64-bit.
The official system requirements for Windows 7 state that it requires 16 GB of space, or 20 GB for the 64-bit edition. Below that, it says that XP mode requires 15 GB more of space!
So, official specs say that a minimum of 35 GB are necessary, which would make affordable drives like this a no-go. That said, since 7 offers features for SSD like TRIM, and the pagefile can be moved to a physical hard drive, is it really necessary to have 35 GB of space? Bonus points if you have actual experience installing this kind of setup.
5 Answers
Windows 7 Home Premium 32 bit takes 9 GB of disk space installed, but you will typically need a few GB for the pagefile (depending on how much RAM you have). If you don't plan on installing much on that drive, you should be fine with 30 GB. You can install XP on a different drive, so you should be fine there too...
I have a Windows 7 Home Premium virtual machine with 31 GB of disk, and it's been plenty so far (using 13 GB right now, after one month of usage...). But I didn't install a whole lot of programs there... no MS Office, nor Visual Studio etc...
So, in my case, I would have enough space even for the XP mode (but there's no point of running XP mode in a VM [besides fooling around or testing it]... so I won't do that).To sum it up: 30 GB will be enough, if you don't plan on installing lots of disk-hungry programs like MS Office and the like.
On the other hand, I agree with Tim too: I wouldn't install Win7 on anything less than 80GB for machines where I do need to install lots of disk hungry programs (or games:).
ZoranZoranI wouldn't recommend anything less than 80 GB for a boot drive on Windows 7 if you're going to use it as your main general-purpose PC. I've been running Windows 7 Professional 64-bit since it was released in late October, and two months later, I'm already using 36GB on my boot drive and I've only got 24 applications installed according to the 'Programs and Features' dialog. (That's including no-brainers like the Flash plugin, etc)
Yes, you can redirect user folders and program files to another drive, but in my experience, it seems that a significant number of common system files will still end up on the boot drive whether you like it or not.
I'm going to wait a bit longer for SSD prices to drop before taking the plunge, myself.
Tim LaraTim Larawell, a fully blown Windows 7 Ultimate installation requires much less than 10 GB, but you'll have to allow for 'growth' (WinSXS folder), you can also disable hibernation if you don't need it, this will free up a great chunk of disk space (the equivalent of your physical memory).
if that's not enough, you can rip unnecessary/unwanted components (e.g. drivers, languages, etc.) from your installation disk using vLite (this can reduce the installation size to less than 2 GB, ex. pagefile).
so, with a little tweaking, 30 GB should be good enough for what you have in mind.
yeah 30gb ssd is enough, but if ur a computer guy like me and you wanna install windows on different drives like sd cards, you would at least need 15 gigabytes of storage on the ssd/sd/hdd with the page file. so for about 1 application, a 16gb sd/ssd/hdd would be enough, if u were just going to experiment with it in 32 bit mode.
30 gig is not enough - should do at least 50 gigDot net and C libraries can increase the size of windows a lotMany different software on the market requires these libs
Windows 7 Professional 64 Bit Service Pack
But today the low cost of SSD drives are low enough to use 200 or more gig as a main drive.I imagine in a short time we will see higher reliability and even lower prices for these drives.
They can speed up your PC quite a bit.Not just in boot up time which is more than 3 times faster.
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