Which folders & files can I delete from Drive C:\?

Note: This is part 1 of 2. Part 2 can be found here:

http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/Q_28247648.html

Hello,

I am running Windows 7 and the Drive C in my desktop is a 125 GB Solid-State Drive. A while ago I made some changes in how files are stored and it has resulted in my Drive C frequently turning red due to overloaded memory.

Normally I would describe the changes I made but that's not relevant at this point because I've got a new replacement SSD (500 GB) sitting in its package here on my desk. The problem is that my nephew, who built my system, will not be available until after October 1st. He's got some way of installing the new drive without the need for me to reinstall Windows and all my software. Therefore, it's well worth the wait.  :)

The purpose of this thread is to:

        1) ask if someone can give me a Band-Aid by telling me what I can safely delete from Drive C in the meantime (this thread—Part 1), and

        2) ask if someone can briefly explain some of these folders & files which reside on Drive C (see Part 2).

Following are some screenshots using TreeSize Free to display various folders, subfolders & files along with their memory utilization. I would appreciate any feedback or suggestions.

By the way, there are a couple of items (eg Outlook) which I realize could be moved but need to stay.

Thanks

Screenshots:
(the first image shows in tree form, the folders and files depicted below)

Fig. 0 Items in red are those about which I'm wondering
Fig. 0  Items in red are those about which I'm wonderingFig. 1 First level folders in Drive C
Fig. 1 First level folders in Drive CFig. 2 First level folders in AppData
Fig. 2 First level folders in AppDataFig. 3 Contents of the folder: Local
Fig. 3 Contents of the folder: LocalFig. 4 Contents of the folder: LocalLow
Fig. 4 Contents of the folder: LocalLowFig. 5 Contents of the folder: Roaming
Fig. 5 Contents of the folder: RoamingFig. 6 Contents of the folder: Windows
Fig. 6 Contents of the folder: WindowsFig. 7 Contents of the folder: winsxs
Fig. 7 Contents of the folder: winsxsFig. 8 Contents of the folder: Installer
Fig. 8 Contents of the folder: InstallerFig. 9 Contents of the folder: System32
Fig. 9 Contents of the folder: System32Fig. 10 Contents of the folder: [4 Files]
Fig. 10 Contents of the folder: [4 Files]Fig. 11 Contents of the folder: [9 Files]
Fig. 11 Contents of the folder: 9 Files
Steve_BradyAsked:
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Skyler KincaidNetwork/Systems EngineerCommented:
You can not delete anything from the winsxs or Windows folder. They are all system folders/files.

Running CCleaner as mentioned in your other post should clear out some of the files in your AppData folder. The two cleanup steps I mentioned in your other post are the best you can do for now. A 128GB drive in a Windows machine is not enough because of the space used by the OS. If you have Office installed and a large Outlook PST file you will be full even if you don't have much else on the drive.
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Dan CraciunIT ConsultantCommented:
I suggest you take the nephew's example and clone your disk onto your new SSD. You'll be done in less than 30 min (because these are SSD's).
You can use for this the free version of Macrium Reflect: http://www.macrium.com/reflectfree.aspx

Simply add the new SSD either internally or via USB to your computer, install Reflect, run it, clone the small disk onto the large one, then switch the disks.

HTH,
Dan
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Dirk MareSystems Engineer (Acting IT Manager)Commented:
Have you tried running disk cleanup?

Go to..
My computer
Select disk cleanup from the general tab
Select all temp files and windows update files

You should be able to remove unwanted files and folders with this, You can also remove older restore points from your computer..

http://www.hanselman.com/blog/GuideToFreeingUpDiskSpaceUnderWindows7.aspx
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Steve_BradyAuthor Commented:
Thanks
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