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Windows 7: What can be deleted in Windows folder?

16 May 2015   #1
madmax2

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
What can be deleted in Windows folder?

I need to free up more HDD space on my c:\ or Windows drive.

I installed Windows on a small SSD (128gb) and now after a few years of usage
I only have about 10-15GB free.
I only installed windows on that ssd and some programs.

How can I free up more space on my C:\

I have used a drive scanning software to identify space hogging folders and found following space hogging folders in Windows folder

These are the largest size folders (order from largest first)
-Installer (13 GB)
-winsxs (11 GB)
-System32
-assembly
-ServiceProfiles
-sysWow64
-Microsoft.net
-SoftwareDistribution

Now I know some folders contents (files) should not be deleted
e.g. System32

But what about other folder contents like these folders (2 biggest offenders)
-Installer
-winsxs
Can I safely delete the files in these folders?
Which other folder contents can I delete in Windows folder?
or in the C:\ in general?

What other options can I do to get more free space on a small size SSD?

I can't buy a bigger drive right now because the prices are still too high and I want to get a 1TB ssd when the price is right..


My System SpecsSystem Spec
.
16 May 2015   #2
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

3 things you can do to gain space.

1) Turn off or lower the page file to 2 GB, with 16 GB I haven`t used a page file in over 2 years.
2) Lower the amount dedicated to system restore
3) Turn off the hiber file if you don`t use hibernation.
My System SpecsSystem Spec
16 May 2015   #3
madmax2

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by AddRAM View Post
3 things you can do to gain space.

1) Turn off or lower the page file to 2 GB, with 16 GB I haven`t used a page file in over 2 years.
2) Lower the amount dedicated to system restore
3) Turn off the hiber file if you don`t use hibernation.
1) I moved my pagefile to another drive so that is not an issue.
Also turning off pagefile causes issue with some programs.

2) System restore is currently at 5% for C:\, how much lower should I go? I haven't used system restore for a while, should turn it off for c:\?

Edit: Thanks for this suggestion, good idea.

3) I don't have hibernation turn on, so no hiber file, because it is a space hogger.

Do u have any answers for my original post questions?
My System SpecsSystem Spec
.

16 May 2015   #4
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Check your pm.

When you run it the first time, it will ask this, just select the bottom one:

What can be deleted in Windows folder?-select.jpg

Then this will pop up:

What can be deleted in Windows folder?-window.jpg


My System SpecsSystem Spec
16 May 2015   #5
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Sounds like a lot more than just a couple of programs to fill that much space
Besides the already offered and possibly running disk cleanup and cleanup system files inside of it :?

Most smart people use a third party back up program to do back ups/ system images... and turn off windows unreliable back up.
My System SpecsSystem Spec
16 May 2015   #6
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

It will probably clear a few gb. Don't tick the one that says installer cleanup. The rest are safe. It is using the dism api provided by MS. I have used it a lot. I even include it in my winpe builds now.
My System SpecsSystem Spec
16 May 2015   #7
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Well, something is wrong if you installed windows and just a few programs. I just did an install, fully updated and my programs and there is only 20 GB total being used.

I don`t even see an installer folder in my windows folder, so I`ve no clue what that is.

There is no reason to get a 1 TB ssd, a 250 GB is more then enough for windows.

SSD 850 EVO 2.5" SATA III 250GB | Samsung Solid State Drives
My System SpecsSystem Spec
16 May 2015   #8
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Quote:
ADDRAM
I don`t even see an installer folder in my windows folder, so I`ve no clue what that is.


It where copies of msi installer programs are kept.

If you try and uninstall one of those, it will offer to either repair or uninstall. An example is this Paragon .msi. They can add uo to quite a lot of space.

What can be deleted in Windows folder?-msis.jpg


My System SpecsSystem Spec
16 May 2015   #9
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

I have just uploading 7pemaker to dropbox.

7PEv24.zip

To make bootable win7 pe:

Unzip it onto your drive, you will have C:\7PEv24 folder. Run as admin the .cmd file.

What can be deleted in Windows folder?-7pev24.jpg


My System SpecsSystem Spec
16 May 2015   #10
madmax2

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by AddRAM View Post
Well, something is wrong if you installed windows and just a few programs. I just did an install, fully updated and my programs and there is only 20 GB total being used.

I don`t even see an installer folder in my windows folder, so I`ve no clue what that is.

There is no reason to get a 1 TB ssd, a 250 GB is more then enough for windows.

SSD 850 EVO 2.5" SATA III 250GB | Samsung Solid State Drives
Yes, it is more than a few programs..
I was just trying to be brief.

I could say I have said I installed windows and all my programs in there..
But that would not be entirely accurate either, because I have installed some large sized programs on another drive.

But then people would just say
"Uninstall programs unused" which I know is an option..

I also didn't install any games on it though
e.g. Steam...

But my main point of the post was whether I could delete some of those folders contents as mention in my first post.

==
Yes 250gb might be enough for windows, but I already got 128gb.

There's no point in getting a new ssd to just double the space..
and then down the track needing to buy another new SSD...

500gb might be good too, but since I am going to get a new one, I might as well get a 1TB.

Also it allows some space for dual booting another OS.
-like Linux, OSX hackintosh.

Or installing some steam games that I want to speed up loading time.

So it is one 1TB for me.
My System SpecsSystem Spec
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