Adobe Photoshop 0.63 (on System 7)

Paintbrush in Adobe Photoshop 0.63

Adobe Photoshop 1.0.7 (on System 7)

Paintbrush in Adobe Photoshop 1.0.7

Adobe Photoshop 2.5 LE (on Windows 3.1)

Paintbrush in Adobe Photoshop 2.5 LE

Adobe Photoshop 3.0.4 (on Windows 98)

Paintbrush in Adobe Photoshop 3.0.4 Photoshop 3.0 introduced a palette with options of the currently active tool.

Adobe Photoshop 4.0 (on Windows 98)

Paintbrush in Adobe Photoshop 4.0

Adobe Photoshop 5.0 (on Windows 98)
Adobe Photoshop 5.5 (on Windows 98)

Paintbrush in Adobe Photoshop 5.0

Adobe Photoshop 6.0 (on Windows 2000)

Paintbrush in Adobe Photoshop 6.0 Photoshop 6.0 introduced option bar located below the menubar, containing options for the currently active tool.

Adobe Photoshop 7.0 (on Windows 2000)

Paintbrush in Adobe Photoshop 7.0

Adobe Photoshop CS (on Windows XP)

Paintbrush in Adobe Photoshop CS

Adobe Photoshop CS2 (on Windows XP)

Paintbrush in Adobe Photoshop CS2

Adobe Photoshop CS2 (on Mac OS X 10.4 Tiger)

Paintbrush in Adobe Photoshop CS2