On your Mac, click the Finder icon in the Dock to open a Finder window, then navigate to where you want to create the folder. Alternatively, click the desktop if you want to create the folder on the desktop. Choose File New Folder, or press Shift-Command-N. If the New Folder command is dimmed, you can’t create a folder in the current location. A download is pretty much useless if you can't find it on your Mac. But that won't be a problem for you, because we're about to discuss multiple quick and easy ways to locate files on your.
The procedure below will reset the permissions of a home folder in OS X 10.7.4 or later. If you're running an earlier version of 10.7, update to the latest version first. This procedure should not be used in OS X versions older than 10.7.4.
Back up all data before you begin.
Step 1
Click the Finder icon in the Dock. A Finder window will open.
Step 2
Press the following key combinations, in the order given:
The Info window of your home folder will open.
Step 3
Click the lock icon in the lower right corner and authenticate with the name and login password of an administrator on the system. If you have only one user account, you are the administrator.
Step 4
In the Sharing & Permissions section of the window, verify that you have 'Read & Write' privileges. If not, use the '+' and '-' buttons in the lower left corner to make the necessary changes.
Step 5
By default, the groups 'staff' and 'everyone' have 'Read Only' privileges. With those settings, the files at the top level of your home folder will be readable by other local users. You can change the privileges to 'No Access' if you wish, but then your Public and Drop Box folders will be inaccessible to others, and Personal Web Sharing won't work. Most likely, you don't need to change these settings.
Applications Folder Macbook Air
Step 6
If there are entries in the Sharing & Permissions list for users or groups besides 'me,' 'staff,' and 'everyone,' delete them.
Step 7
Macbook Air Apps Download
Click the gear icon at the bottom of the Info window and select Apply to enclosed items... from the drop-down menu. Confirm. The operation may take several minutes to complete. When it does, close the Info window.