1 Choose Image > Adjustments > Gamma.
2 Select Preview to preview the adjustment in the image.
3 Adjust the gamma:
• Select Windows to Macintosh to adjust gamma for display in Mac OS.
• Select Macintosh to Windows to adjust gamma for display in Windows.
Note: Images created in Photoshop 4.0 or earlier use Mac OS gamma value (1.8) by default and should be adjusted for display in Windows (unless gamma was adjusted when the image was created). Images created in Photoshop 5.0 or later use Windows gamma value (2.2) by default and will be at the correct gamma for display in Windows with no adjustment.
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Adobe Photoshop can be a complex tool only because you can do so much with it, however for in this video series, we're going to keep it as simple as possible. In fact, in this video you'll see an overview of the few tools and Adobe Photoshop features we will use. When you see this video, you'll see how you can do so much with so few features, but you'll learn how to use them in depth in the future videos.