Click the lock icon at the bottom left to have access to make changes. Enter your computer administrator's username and password. Change Allow apps downloaded from: to App Store and identified developers. Note: For Mac High Sierra (10.13.x), you will need to click on Allow too. Click the lock icon again to prevent any further changes. License: Free for personal desktop use only. Open a new Finder window from the OS X Desktop and hit Command+Shift+G (or go to the “Go”.
Get to know the Mac desktop. At the top of the screen is the menu bar and at the bottom is the Dock.In between is what’s called the desktop.The desktop is where you do most of your work. You can change the look of your desktop by customizing the desktop picture and by choosing a light or dark appearance for the menu bar, desktop picture, Dock, and built-in apps. Mac Icons - Download 204 Free Mac icons @ IconArchive. Search more than 600,000 icons for Web & Desktop here.
After a few hours of work, a Finder window in icon mode can look something like a teenager’s room: stuff strewn all over the place, as demonstrated with the Applications folder in Figure 1.
Figure 1: Will someone please clean up this mess?
To restore order to your Desktop, click in any open area of the active window and then choose View –> Clean Up. This command leaves the icons in approximately the same position but snaps them to an invisible grid so that they’re aligned, as shown in Figure 2.
Figure 2: Tidying up is no problem with the Clean Up menu command.
After things are in alignment, work with the icon view options. (Naturally, you’ll want the active Finder window in icon view first, so choose View –> As Icons or press COMMAND+1.) From the Finder menu, choose View –> Show View Options — or press that swingin’ COMMAND+J shortcut — to display the View Options dialog box that you see in Figure 3. (Remember that these options are the ones available for icon view.)
Figure 3: The settings available for icon view.
Note these first two radio buttons, which also appear in the list View Options dialog box:
Of course, Mac OS X remembers the changes that you make within the View Options dialog box, no matter which view mode you’re configuring. You can also make other changes from this dialog box, including
• White: This is the default.
• Color: Click a color choice from the color block that appears if you make this selection.
• Picture: Select this radio button and then click the Select button to display a standard Open dialog box. Navigate to the location where the desired image is stored, click it once to select it, and then click Open.
After all your changes are made and you’re ready to return to work, click the dialog box’s Close button to save your settings.
Your desktop icons may be hidden. To view them, right-click the desktop, select View, and then select Show desktop icons. To add icons to your desktop such as This PC, Recycle Bin and more:
Select the Start button, and then select Settings > Personalization > Themes.
Under Themes > Related Settings, select Desktop icon settings.
Choose the icons you would like to have on your desktop, then select Apply and OK.
Note: If you are in tablet mode, you may not be able to see your desktop icons properly. You can find the program by searching for the program name in File Explorer. To turn off tablet mode, select action center on the taskbar (next to date and time), and then select Tablet mode to turn it on or off.