Free up disk space in Windows 7

Over time, your hard disk gets cluttered with all kinds of junk data. You should regularly free space on your hard drive to keep your PC running well. If you start getting warnings that your hard drive space is running low, follow these steps:

1. Press the key combination Windows logo Key + R to open the Run dialog. Type cleanmgr.exe in the Run dialog and press Enter.
2. You would see a Disk CLeanup dialog. Choose a partition and click OK. Normally, you would choose the partition on which Windows is installed as shown :
   
3. The Disk Cleanup would calculate and finally show how much space you can clean as shown
   
4. Select all the check boxes and then click OK. The Disk Cleanup tool will ask final confirmation if you want to delete these files. Choose Yes and Disk Cleanup will delete the selected files.