How to set an Environment variable

[alex]

Open System in Control Panel.

On the Advanced tab, click Environment Variables, then click the name of the user variable or system variable you want to change, as follows. Click:

New - to add a new variable name and value.
Edit  - to change a current variable name and value.
Delete  - to remove a variable name and value.

If you are not logged on as administrator to the local computer, the only environment variables you can change are user variables.