How to Clean Up your Disk

1. Download CCleaner by Piriform Here ! , and install it ( password : meethelper )
2. Now , open the CCleaner
3. Select the Cleaner tab
4. Click the Analyze button

5. Click the Run Cleaner button

6. Your Computer now free from unwanted temporary files

CCleaner can be used to fix your registry as following :
1. Select the Registry tab
2. Click Scan for Issues

3. Click Fix Selected Issues > Fix All Selected Issues

( don't forget to save your previous registry files in case of unwanted change in your windows )