1.Uninstalling unused program. This is simple way to free up our hard-disk. Type appwiz.cpl at run box.
2. Remove temporary file, empty recycle bin and etc using Disk Cleanup. Type cleanmgr.exe at your run box. Select all the given option. Alternatively we can use freeware like CCleaner.
3. Disable Hibernation from Power Settings. Type this command at run, powercfg.cpl. We can get more 1GB free space.
4. Turn off system restore. Type %SystemRoot%\system32\restore\rstrui.exe or in Win7/Vista just rstrui.exe at run box.5. Delete files in the hidden Dropbox cache folder. If we use Dropbox so often we can save a lot of space by deleting this file.
6. Remove old shadow copies.
To see our shadow copy type this at cmd vssadmin list shadowstorage.
To delete our shadow copy type this at cmd vssadmin delete shadows /for=c: /all
7. Remove temp files. Most temp files have the extension .tmp some ending with .xar, .loc and .chk. Other temp files preceded by "~". This is standard where is the temp files located
C:\windows\system32\dllcache\
C:\windows\Temp\
C:\Documents and Settings\Administrator\Local Settings\Temp\
But for advance user that want find all the temp files in the whole computer can type this command *.tmp,*.chk,~*.* in the Search Result. See the sign * before .tmp, for analogy its mean all the file. Look the pic below to get an idea.
