Enable/Disable Recycle Bin
For those confidant enough that you will never need a deleted file or folder, this tweak will disable the Recycle Bin and permanently delete items with no chance of recovery.
1 [Start] [Run] [Regedit]

2 Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\BitBucket

3 Modify/Create the Value Data Type(s) and Value Name(s) as detailed below.

4 Data Type: DWORD // Value Name: NukeOnDelete

5 Setting for Value Data: [0 = Use Recycle Bin / 1 = Permanently Delete]

6 Exit Registry and Reboot
To avoid the inherent danger of editing the registry, the same results may be obtained by using the procedure detailed below.
Right click the Recycle Bin icon on the Desktop and click [Properties]

Check the box for [Do Not Move Files to the Recycle Bin]

Click [Apply] and [OK]
IMP TIP : The recycle bin is set to 10% of HD size by default. Way too big! Right click on recycle bin, select properties, and change the value to something more reasonable, like 400-500MB, which should be 3% or 2%. One can regain 2-3 GB of drive space this way.

- SRIKANTH DHANWADA