Open the Appearance window. Click the Apple icon at top-left corner, resembling a rainbow Apple icon on color Macs, or a black Apple icon on monochrome Macs. In the Apple menu, hover over Control Panels and click Appearance.[1]File:Change Wallpaper in Classic Mac OS Step 1.png
Set a picture as a wallpaper. Click Place Picture..., then in the selection window, browse through the list of pictures, then select a picture and click Open. Then click Set Desktop to change the current wallpaper to the selected picture.[1]File:Change Wallpaper in Classic Mac OS Step 4.png
You may want to adjust the position of the picture. Click the dropdown below Remove Picture and choose one of the options:
Tile on Screen - This creates a tile of multiple pictures arranged horizontally and vertically. Recommended for pictures of 256x256 or less resolution.
Center on Screen - This centers the picture.
Scale to Screen - This scales the picture to fit the screen.
Fill Screen - This stretches the picture to all sides to fill the screen.
Open the Desktop Pictures window. Click the Apple icon at top-left corner, resembling a rainbow Apple icon on color Macs, or a black Apple icon on monochrome Macs. In the Apple menu, hover over Control Panels and click Desktop Pictures.[2]File:Change Wallpaper in Classic Mac OS Step 5.png
Set a picture as a wallpaper. Click Picture tab at left and click Select Picture..., then in the selection window, browse through the list of pictures, then select a picture and click Open. Then click Set Desktop to change the current wallpaper to the selected picture.[2]File:Change Wallpaper in Classic Mac OS Step 8.png
You may want to adjust the position of the picture. Click the dropdown to the left of Remove Picture and choose one of the options:
Tile on Screen - This creates a tile of multiple pictures arranged horizontally and vertically. Recommended for pictures of 256x256 or less resolution.
Center on Screen - This centers the picture.
Scale to Screen - This scales the picture to fit the screen.
Fill Screen - This stretches the picture to all sides to fill the screen.
Open the Desktop Patterns window. Click the Apple icon at top-left corner, resembling a rainbow Apple icon on color Macs, or a black Apple icon on monochrome Macs. In the Apple menu, hover over Control Panels and click Desktop Patterns.[3]File:Change Wallpaper in Classic Mac OS Step 9.png
Open the Control Panels window. Click the Apple icon at top-left corner, resembling a rainbow Apple icon on color Macs, or a black Apple icon on monochrome Macs. In the Apple menu, click Control Panels.File:Change Wallpaper in Classic Mac OS Step 12.png
Choose an existing pattern. Click on the white box just above the preview, to the right of the grid to cycle through patterns. Click on preview to set as wallpaper.File:Change Wallpaper in Classic Mac OS Step 16.png
Open the Control Panels window. Click the Apple icon at top-left corner, resembling a rainbow Apple icon on color Macs, or a black Apple icon on monochrome Macs. In the Apple menu, click Control Panels.File:Change Wallpaper in Classic Mac OS Step 17.png
If you have a color Mac running System 6.0 or later, use the palette below "Desktop Patterns" to draw with different colors. Double-click on a color to customize the color.
Choose an existing pattern. Click on the white box just above the preview, to the right of the grid to cycle through patterns. Click on preview to set as wallpaper.File:Change Wallpaper in Classic Mac OS Step 20.png
↑ 1.01.11.21.3Pogue, D. (2000). Mac OS 9 (pp. 53–57). Pogue Press.
↑ 2.02.12.22.3Danuloff, C. (1997). The Mac OS 8 book : the ultimate Macintosh user’s guide (4th ed., pp. 99–101). Research Triangle Park, NC : Ventana.