How much spare space does Windows 7 need?

Once again, I was asking more how much is needed in excess on everything else. Everything including hiberfil (which I have disabled then deleted anyway), pagefile (which I have minimized), etc.
Why'd you minimize the pagefile? You're gonna get the best performance by just leaving pagefile as/is.
Heck, the largest single installation is larger than that. And that's no data files, no hiberfile and essentially no pagefile.
Perhaps I'm misreading this. Are you saying that the install for W7 is larger than 32 gigs? In my experience it's usually around 10gb. Maybe 16 counting pagefile and hibernation file.

You may not have noticed the "Systems Specs" link in the lower left corner of every post.
No, I just didn't bother to look. The one time I don't, figures it's actually filled out. :o
 

My Computer

Computer Manufacturer/Model Number
HP 6000 Pro Micro Tower
OS
W7 Professional x64
CPU
Core 2 Duo 2.93
Memory
2 GB
Graphics Card(s)
ATI Radeon 4695
Monitor(s) Displays
Two HP 17's
Hard Drives
150GB Sata Drive
Case
Tiny. Kinda cute.
Keyboard
HP Supplied. Surprisingly nice.
Mouse
Gateway Mouse from an E2610D
Internet Speed
45 mbps
Why'd you minimize the pagefile? You're gonna get the best performance by just leaving pagefile as/is.
There are many opinions, but one fairly common one is that with lots of RAM, pagefile need be only enough to hold a minidump. Windows allows no less than 16 mb. Some recommend no pagefile for better performance of specific apps. That's why I tried it. Slight help. And no problems.

Perhaps I'm misreading this. Are you saying that the install for Windows 7 is larger than 32 gigs? In my experience it's usually around 10gb. Maybe 16 counting pagefile and hibernation file..
In bytes to avoid the 1024 vs. 1000 confusion.
Total 40,008,912,896
first level below C:\
Windows 16,738,590,913
program files (x86) 8,213,612,037
program files 1,552,810,952
program data 1,304,358,018
users (which is all actually application files) 6,745,117,949
"unknown" (shows in windirstat which applies this label, but doesn't in windows explorer.) 4,995,729,578
MSO cache 329,381,770
NVIDIA 138,802,654
recycle bin (empty) 2,821,956
pagefile.sys 16,777,216
aaw7boot.log 18,588
wizard.txt 34
no data.
application caches have generally been relocated to other drives or it would be larger.
numbers kept changing slightly during cut and paste so may not add exactly

edit: running windirstat "as administrator" shows that the "unknown" is in fact system volume information. However running windows explorer "as administrator" still lists svi size as zero.
 
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My Computer

Computer Manufacturer/Model Number
Built from components
OS
Windows 7 Home Premium X64 SP1
CPU
AMD phenom II X6 1090T @3750mhz
Motherboard
Asus M4A87D EVO nb and ht @2600mhz
Memory
2 x 4GB Corsair CMX8GX3M2A1600C9 1600mhz
Graphics Card(s)
Nvidia Quadro FX 1800
Sound Card
on board VIA Technologies
Monitor(s) Displays
primary Viewsonic VP2365wb IPS, secondary LG L1933TR
Screen Resolution
p 1920x1080 s 1280x1024 or 1920x1080 depending on sys
Hard Drives
5 drives totaling 6TB
PSU
Corsair 750
Case
Ultra Aluminus (modified)
Cooling
Coolmaster V6, several 120mm case fans
Keyboard
Microsoft Wireless Keyboard 3000 V2
Mouse
Microsoft Wireless Mouse 5000
Internet Speed
2 to 3 Mbps. wireless.
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