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9 steps to optimizing Windows XP installation size

Here are some tips that I found on various websites.

Apply those modifications at your own risk.

1. Virtual memory change

The virtual memory in Windows XP is approximately 1.5 to 3 times that of system memory.

This is enough for most computers, but on a 4GB HDD we have no place to spare.

Change this to 256MB or 512MB maximum if you have the original 512MB of RAM and move it to an external hard drive or to an SD card.

If you put in a bigger one 1GB-2GB then you can probably disable the virtual memeory.

Settings are here: Control Panel -> System -> Advanced tab -> Settings -> Performance.

2. “My Documents” on the SD card misplace

Move “My Documents” on the SD card.

Settings are here: start -> Right-click My Documents -> Select Properties -> Click Move.

3. Remove unnecessary Windows Components

Remove the components that are not needed.

Settings are here: Control Panel -> Add / Remove Programs -> Click Add / Remove Windows Components.

4. Erase data backup system

Settings are here: Go to Start -> Run -> Type CMD -> type: sfc.exe / purgecache

5. Moving Application Data off the C drive

– Copy C:Documents and Settings<username>Application Data to a flash drive or SDHC

– Go into Start, select Run… and type in regedit

– Navigate to HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders

– Double click the AppData field and replace the text in the box to the path where you copied the Application Data folder to.

– Click OK then close out of the registry editor and reboot

6. System Restore issue

This modification is to apply with caution, you should only do this if you know what you’re doing.

Settings are here: Control Panel -> System -> System Restore -> Click Turn Off System Restore.

7. Delete Windows Files

Go to Start -> my computer -> Tools menu -> Folder Options -> on the View tab click -> click “Show hidden files and directories”

and uncheck “Hide protected operating system files.”

This step must be done in order to see that we want to delete:

7.1. Deleting Windows Help files. In safe mode go to C:Windows and delete the “Help” folder.

7.2. Deleting the DLL cache. In safe mode go to C:WindowsSystem32dllcache and delete all files

7.3. In C:Windows delete all KB *. txt files. These are the SP2/Hotfix update readme files.

7.4. In C:Windows delete all SET *. tmp files.

7.5. In C:Windows delete the $hf_mig$ and $NtUninstallKB*$ directories.

These are SP2 and hotfix uninstall files.

These are only needed for a Windows rollback.

7.6. Delete everything in C:WindowsSoftware Distribution.

This is a great gain of diskspace.

Here are the installation files for fixes, SP2, Windows updates, etc.

7.7. Delete everything in C:Windowsie7updates.

7.8. Delete the C:MSOCache folder.

Here are 2003/2007 Office installation files.

8. Reduce or move temporary Internet Explorer files

Decrease the allowed space for temporary files in IE.

In Internet Explorer, go to Tools -> Internet Options -> General -> click on the settings under Temporary Internet Files.

In the dialog box, move the slider to the desired setting and / or click on Move folder and move to the SD card, or an external drive.

9. Moving the Temp and tmp directories off of the C drive

Do this for System and User Variables

Settings are here: Control Panel -> System -> Advanced tab -> Environment Variables-> Scroll down to TEMP and TMP and change them both to a path on your SDHC drive


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