#: 1. Right-click on the trunk directory#: 2. Choose TortoiseSVN and click on branch/tag...#: 3. Click on the [...] button to the right of "To URL:"#: 4. Click on the root directory, then on branches, then on your workspace, then press "OK"#: 5. Edit the URL created by adding a slash and the name that you want to give to your new sub-directory (a.k.a create a new directory)#: 6. The name of your new sub-directory should refer to your particular task (whatever you are going to work on)#: 7. Type in a log message that describes what you are doing and press "OK"