In Windows 98, a new feature, Disk Cleanup, is available from the Drive Properties window. As a bonus, it even empties the Recycle Bin. For those of us still in Windows 95, the same things can still be done manually. 1 - Emptying the temp folder can also include files other than the familiar .tmp files.
Some programs leave their installation files there also, including some .exe files.
If files are present, any that are more than a week old can be safely deleted. These files can be safely deleted. However, since some cookies are used to maintain your online profile on a particular website, you may want to choose carefully whether or not to remove them. If looking at what appears to be your data files is a bit too unnerving, there is an alternate method. Right click on an open area of the TaskBar, select Properties.