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- Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc. For Windows and macOS.It was originally created in 1988 by Thomas and John Knoll.Since then, the software has become the industry standard not only in raster graphics editing, but in digital art as a whole. The software's name has thus become a generic trademark, leading to its usage as a verb (e.g.
- For Windows, the downloadable TWAIN plug-in is 32 bit only. For Mac OS, the Photoshop CS5 12.0.4 update includes some TWAIN fixes, and a downloadable TWAIN plug-in solves two more issues: You can scan multiple documents at once, and Photoshop no longer crashes on the second scanning job. In Mac OS 10.6.x, the TWAIN plug-in supports 64-bit operation of Photoshop.
Note:
Looking for information pertaining to the most current version of Photoshop? See TWAIN scanner plug-in.
TWAIN is an interface used to import from imaging devices, such as scanners. For more information, see the TWAIN Working Group's website. The Photoshop TWAIN plug-in connects with compatible devices that are installed on your computer.
NOTE: Do not use the TWAIN plug-in from Photoshop CS5 downloads. You must install the Photoshop CS6 and later version of TWAIN plug-in for Photoshop CS6 and later.
TWAIN has been the main technology used for scanning in Photoshop for many versions. However, it is not always updated for new operating systems, and therefore may work less reliably than other scanning solutions, such as third-party utilities such as VueScan, the scanner software that comes with your scanner, or other scanning technologies. These third-party utilities are dedicated scanning solutions, and they are more appropriate for critical or high-volume scanning. If you use a third-party scanning application, save your scanned images as TIFF files, then open them into Photoshop.
TWAIN should work for basic scanning needs, but if you experience issues with TWAIN, try one of the other scanning technologies described below.
Note:To use any scanner technology, you need to install a scanner driver. This will probably be installed via your operating system, but you may need to contact your scanner manufacturer, especially for older scanners.
Windows
In Windows, the Photoshop TWAIN plug-in can be used if you run Photoshop CS6 or later in 32-bit mode. TWAIN is not supported in Photoshop when it's run in 64-bit mode. If you need a scanning solution when you run Photoshop in 64-bit mode, use the WIA (Windows Image Acquisition) interface for your device, if it's available. WIA is also available for use when running Photoshop in 32-bit mode. Contact your scanner manufacturer for more information.
Mac OS
In Mac OS, you can use the TWAIN plug-in to scan when running Photoshop CS6 (Photoshop CS6 and later only runs in 64-bit mode). Not many scanner manufacturers have released 64-bit versions of their scanner drivers, so you may not be able to use TWAIN. Contact your scanner manufacturer for more information.
If your scanner manufacturer does not support scanning in 64-bit mode, or you have issues scanning with TWAIN, you can scan into Photoshop using Apple's ImageKit technology, which is built in to Photoshop, does not need a plug-in to be installed, and provides access to many scanners.
The TWAIN plug-in is available with the other optional plug-ins for Photoshop CS6 and later:
After you download the appropriate file, double-click the file to decompress it. If you are asked, extract all files.
Windows
Note: For Windows, the downloadable TWAIN plug-in is 32 bit only.
To install the TWAIN plug-in for Windows:
- Exit from Photoshop.
- Copy the Twain_32.8BA plug-in from the Optional Plug-ins Win32/Plug-ins folder to the appropriate folder below.
- Windows XP: Program FilesAdobeAdobe Photoshop CS6Plug-Ins
- Windows Vista and Windows 7 (32 bit): C:Program FilesAdobeAdobe Photoshop [Version]Plug-Ins
- Windows Vista and Windows 7 (64 bit): C:Program Files (x86)AdobeAdobe Photoshop [Version]Plug-Ins
- Reopen Photoshop.
- Download the latest scanner driver from your scanner manufacturer's website and install the driver.
- Connect the scanner to the system.
To use TWAIN to scan images into Photoshop:
- Open Photoshop 32 bit by clicking the 'Adobe Photoshop CS6 (32 bit)' shortcut.
- Select File > Import > [scanner name].
Mac OS
- Quit Photoshop.
- Copy the TWAIN.plugin file from the download folder to the Applications/Adobe Photoshop [Version]/Plug-ins folder.
- Reopen Photoshop.
- To use TWAIN in Photoshop, choose File > Import > [scanner name].
For Windows, the downloadable TWAIN plug-in is 32 bit only.
For Mac OS, the Photoshop CS5 12.0.4 update includes some TWAIN fixes, and a downloadable TWAIN plug-in solves two more issues: You can scan multiple documents at once, and Photoshop no longer crashes on the second scanning job.
In Mac OS 10.6.x, the TWAIN plug-in supports 64-bit operation of Photoshop CS5. However, the scanner manufacturer must provide a 64-bit scanner driver, and few do. Contact your scanner manufacturer to determine if a 64-bit driver is available. If not, you must run Photoshop in 32-bit mode.
On 32-bit versions of Windows, the Photoshop TWAIN plug-in is installed by default. Because the plug-in isn't 64 bit, Photoshop does not install it on 64-bit editions of Windows.
In Mac OS, the Photoshop TWAIN plug-in is not installed by default. See below for installation instructions. Adobe strongly suggests that if you require the plug-in in Mac OS 10.6, you first install Rosetta. See the Apple help forums for more information on working with Rosetta.
Download Photoshop Cs4 Adobe
Install the TWAIN plug-in for Photoshop CS5 and CS4
- For Windows installation instructions, see the downloaded ReadmeCS5_Optionalplugin.pdf file.
For Mac OS, see the instructions on the download page above.
From your installation disc, copy the TWAIN plug-in from the //Goodies/Optional plug-ins/Import-Export folder to the Applications/Adobe Photoshop CS4/Plug-ins/Import-Export folder on your hard drive.
When you use TWAIN to import from an imaging device, you may encounter problems like the following:
- Photoshop or your scanner application freezes or quits unexpectedly.
- You are unable to close the scanner window.
- You encounter errors during import.
- The preview of the imported image, or the imported image itself, appears incorrect onscreen.
Try the following solutions:
- On 64-bit Windows, use the Windows Image Acquisition (WIA) interface to import from your device. For instructions, see Windows Help or contact your device manufacturer.
- On 32-bit Windows, update the drivers for your device. For assistance with this process, see the website for the device manufacturer. If the problem persists with the most recent drivers, try one or both of the following:
- Import from your device using WIA.
- Using the software included with your imaging device, import and save images, and then open the saved images in Photoshop.
- Update the drivers for your device. For assistance, see the website for the device manufacturer.
- If the problem persists with the most recent drivers, import your image using another application, such as the Image Capture utility. See Mac OS Help or contact your device manufacturer for more information.
How does Photoshop leverage the graphics processor?
Photoshop leverages the graphics processor in your system to provide a seamlessly smooth Photoshop experience and increased performance with many features.
Features that require a GPU for acceleration
- Artboards
- Blur Gallery - OpenCL accelerated
- Camera Raw (more info)
- Image Size – Preserve Details
- Lens Blur (more info)
- Neural Filters
- Select Focus
- Select and Mask - OpenCL accelerated
- Smart Sharpen - OpenCL accelerated
Features that won't work without a GPU
If your graphics processor is unsupported or its driver is defective, the following Photoshop features won't work:
- 3D
- Birds Eye View
- Flick Panning
- Oil Paint
- Perspective Warp (more info)
- Render – Flame, Picture Frame, and Tree
- Scrubby Zoom
- Smooth Brush Resizing
If you encounter any issues working with the above features, see Graphics processor (GPU) troubleshooting.
What are the minimum graphics processor requirements?
- On Windows, a GPU with DirectX 12 support and 2 GB of GPU memory
- On macOS, a GPU with Metal Support and 2 GB of GPU memory
If your using an older graphics card or driver, GPU functionality in Photoshop may be limited or not supported. Photoshop cc full version free download for pc.
The TWAIN plug-in is available with the other optional plug-ins for Photoshop CS6 and later:
After you download the appropriate file, double-click the file to decompress it. If you are asked, extract all files.
Windows
Note: For Windows, the downloadable TWAIN plug-in is 32 bit only.
To install the TWAIN plug-in for Windows:
- Exit from Photoshop.
- Copy the Twain_32.8BA plug-in from the Optional Plug-ins Win32/Plug-ins folder to the appropriate folder below.
- Windows XP: Program FilesAdobeAdobe Photoshop CS6Plug-Ins
- Windows Vista and Windows 7 (32 bit): C:Program FilesAdobeAdobe Photoshop [Version]Plug-Ins
- Windows Vista and Windows 7 (64 bit): C:Program Files (x86)AdobeAdobe Photoshop [Version]Plug-Ins
- Reopen Photoshop.
- Download the latest scanner driver from your scanner manufacturer's website and install the driver.
- Connect the scanner to the system.
To use TWAIN to scan images into Photoshop:
- Open Photoshop 32 bit by clicking the 'Adobe Photoshop CS6 (32 bit)' shortcut.
- Select File > Import > [scanner name].
Mac OS
- Quit Photoshop.
- Copy the TWAIN.plugin file from the download folder to the Applications/Adobe Photoshop [Version]/Plug-ins folder.
- Reopen Photoshop.
- To use TWAIN in Photoshop, choose File > Import > [scanner name].
For Windows, the downloadable TWAIN plug-in is 32 bit only.
For Mac OS, the Photoshop CS5 12.0.4 update includes some TWAIN fixes, and a downloadable TWAIN plug-in solves two more issues: You can scan multiple documents at once, and Photoshop no longer crashes on the second scanning job.
In Mac OS 10.6.x, the TWAIN plug-in supports 64-bit operation of Photoshop CS5. However, the scanner manufacturer must provide a 64-bit scanner driver, and few do. Contact your scanner manufacturer to determine if a 64-bit driver is available. If not, you must run Photoshop in 32-bit mode.
On 32-bit versions of Windows, the Photoshop TWAIN plug-in is installed by default. Because the plug-in isn't 64 bit, Photoshop does not install it on 64-bit editions of Windows.
In Mac OS, the Photoshop TWAIN plug-in is not installed by default. See below for installation instructions. Adobe strongly suggests that if you require the plug-in in Mac OS 10.6, you first install Rosetta. See the Apple help forums for more information on working with Rosetta.
Download Photoshop Cs4 Adobe
Install the TWAIN plug-in for Photoshop CS5 and CS4
- For Windows installation instructions, see the downloaded ReadmeCS5_Optionalplugin.pdf file.
For Mac OS, see the instructions on the download page above.
From your installation disc, copy the TWAIN plug-in from the //Goodies/Optional plug-ins/Import-Export folder to the Applications/Adobe Photoshop CS4/Plug-ins/Import-Export folder on your hard drive.
When you use TWAIN to import from an imaging device, you may encounter problems like the following:
- Photoshop or your scanner application freezes or quits unexpectedly.
- You are unable to close the scanner window.
- You encounter errors during import.
- The preview of the imported image, or the imported image itself, appears incorrect onscreen.
Try the following solutions:
- On 64-bit Windows, use the Windows Image Acquisition (WIA) interface to import from your device. For instructions, see Windows Help or contact your device manufacturer.
- On 32-bit Windows, update the drivers for your device. For assistance with this process, see the website for the device manufacturer. If the problem persists with the most recent drivers, try one or both of the following:
- Import from your device using WIA.
- Using the software included with your imaging device, import and save images, and then open the saved images in Photoshop.
- Update the drivers for your device. For assistance, see the website for the device manufacturer.
- If the problem persists with the most recent drivers, import your image using another application, such as the Image Capture utility. See Mac OS Help or contact your device manufacturer for more information.
How does Photoshop leverage the graphics processor?
Photoshop leverages the graphics processor in your system to provide a seamlessly smooth Photoshop experience and increased performance with many features.
Features that require a GPU for acceleration
- Artboards
- Blur Gallery - OpenCL accelerated
- Camera Raw (more info)
- Image Size – Preserve Details
- Lens Blur (more info)
- Neural Filters
- Select Focus
- Select and Mask - OpenCL accelerated
- Smart Sharpen - OpenCL accelerated
Features that won't work without a GPU
If your graphics processor is unsupported or its driver is defective, the following Photoshop features won't work:
- 3D
- Birds Eye View
- Flick Panning
- Oil Paint
- Perspective Warp (more info)
- Render – Flame, Picture Frame, and Tree
- Scrubby Zoom
- Smooth Brush Resizing
If you encounter any issues working with the above features, see Graphics processor (GPU) troubleshooting.
What are the minimum graphics processor requirements?
- On Windows, a GPU with DirectX 12 support and 2 GB of GPU memory
- On macOS, a GPU with Metal Support and 2 GB of GPU memory
If your using an older graphics card or driver, GPU functionality in Photoshop may be limited or not supported. Photoshop cc full version free download for pc.
Generally, consider using GPUs with an Average Ops/Sec of 2000 or higher on PassMark's GPU Computer Benchmark Chart.
How do I enable Photoshop to use the graphics processor?
Choose Edit > Preferences > Performance (Windows) or Photoshop > Preferences > Performance (macOS).
In the Performance panel, make sure that Use Graphics Processor is selected in the Graphics Processor Settings section.
Click Advanced Settings and specify the following options:
Drawing Mode:
- Basic:Uses the least amount of graphics card memory or VRAM and enables basic graphics processor features
- Normal:Uses more graphics card memory or VRAM and enables graphics processor-based color matching, tone mapping, and checkerboard blending
- Advanced:Provides the benefits of Normal mode and newer graphics processor features that can result in improved performance
Use Graphics Processor to Accelerate Computation:Enable to improve the interactivity of Warp and Puppet Warp previews
Use OpenCL: Enable to accelerate the new Blur Gallery filters, Smart Sharpen, Select Focus Area, or Image Size with Preserve Details selected (Note: OpenCL is available only on newer graphics cards that support OpenCL v1.1 or later.)
Anti-alias Guides and Paths:Allows the graphics processor to smooth the edges of drawn guides and paths
30-bit Display:Allows Photoshop to display 30 bit data directly on monitors with 30 bit support
Use native operating system GPU acceleration: Enables Photoshop to use macOS Metal and Windows DirectX 12
Does Photoshop take advantage of more than one graphics processor or graphics card?
Photoshop does not take advantage of multiple graphics cards. Conflicting drivers may also cause crashes or other problems.
- If you have a system with multiple graphics cards, see Configuring computers with multiple graphics cards.
- If you have multiple monitors, a best practice is to connect them to the same graphics card prior to starting Photoshop.
Can I use Photoshop's graphics processor features on a virtual machine?
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Running Photoshop under virtual machines, or VMs, is not tested extensively nor officially supported because of known issues with features that rely on the graphics processor in VM environments.
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