Adobe Photoshop Cs4 Serial Number

How Do I Find the Serial Numbers to My Adobe CS Programs? To find the serial numbers for both the suites and/or the individual programs for Adobe CS6, Adobe CS5, Adobe CS4, and Adobe CS3. That includes the serial numbers for Adobe Photoshop, Illustrator, InDesign, Dreamweaver.

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If you've installed a copy of Adobe Photoshop CS4 on one of your company's Mac computers, the program may display an error message when you try to launch it, stating that its licensing or serial number has expired or that you're using an invalid serial number. You're not alone in your predicament -- or your frustration -- especially if you see this error message the first time you try to start up the program after you install it. How you handle this problem depends on whether your serial number actually has expired, or if you're seeing interference from a pre-release trial or pre-purchase demo version of the software.

Expired Serial Number

1.

Open the Apple menu and choose 'System Preferences.' Select the 'Date and Time' preference pane and change your computer's clock date to January 1, 2006. This workaround overcomes the Catch 22 that arises because you must launch the software to remove the old serial number, but the expired serial number prevents you from launching the software. You can leave the time set to the correct value.

2.

Start Adobe Photoshop CS4. Open the 'Help' menu and choose 'Deactivate.' On the deactivation screen, activate the check box for 'Erase This Serial Number' and click on the 'Deactivate' button. Retail serial numbers for standalone copies of Adobe Photoshop or the Adobe Creative Suite don't expire, but demonstration copies and public beta-test or pre-release versions use licensing with short-term serial numbers.

3.

Reopen System Preferences and select the 'Date and Time' preference pane. Reset your computer clock to the correct date.

Key4.

Start Adobe Photoshop. When the program requests a valid serial number partway through the startup process, enter the serial number for a retail version of the software with no expiration date on its license. If you own a license for Photoshop CS, CS2 or CS3, you can use an upgrade serial number. Because Photoshop CS4 no longer represents the shipping version of the product, you can't obtain it from Adobe Systems. If you didn't purchase a Photoshop CS4 license during the shipping lifespan of the product, you may be able to find a sealed or transferable copy on an online auction site.

Interference from Pre-Release or Demo Software

1.

Open your Application folder and navigate to the Adobe Photoshop CS4 folder. Inside it, locate the Uninstall Adobe Photoshop CS4 item and double-click on it to remove Photoshop from your system.

2.

Open a Finder window and navigate to the Library folder at its main level. Within that folder, locate the Application Support folder and open the Adobe folder inside it. 'Shift'-click on the 'Adobe PCD,' 'Caps' and 'Backup' folders and press 'Cmd-Delete' to move them to the Trash.

3.

Insert your Adobe Photoshop CS4 installation disc and double-click on its installer file, or locate and double-click on your downloaded installer file for the program. Follow the installation instructions. When you're prompted for a serial number, enter the number on your disc box or from the purchase-confirmation email message you received from Adobe Systems.

Tips

  • In some cases, customers who participated in beta testing or who evaluated pre-release versions of Adobe CS4 software have trouble installing the retail product and activating it with a valid serial number. In these cases, traces of the test or evaluation software versions remain on the customers' computers, forcing them to use workarounds to get their products properly licensed and running. Most commonly, these customers must uninstall the retail version of the software and remove specific folders created by the installer, then reinstall the application. See Section 2 for this procedure.
  • You can't reinstall a demonstration version of Adobe Photoshop CS4 after the 30-day evaluation period ends. To turn a demo into a working, licensed copy, enter a valid purchased serial number.
  • If neither resetting your system clock and entering a valid serial number nor reinstalling Photoshop CS4 resolves the 'expired-license' problem with your copy of the program, contact Adobe Systems (see Resources).

Warning

  • Don't reset your computer clock to try to extend Adobe's 30-day demonstration software periods. If you do, Adobe's licensing provisions will deactivate the demo regardless of how much time remains before it expires.

References (3)

Resources (3)

About the Author

Elizabeth Mott has been a writer since 1983. Mott has extensive experience writing advertising copy for everything from kitchen appliances and financial services to education and tourism. She holds a Bachelor of Arts and Master of Arts in English from Indiana State University.

Photo Credits

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Mott, Elizabeth. 'How to Reactivate Photoshop CS4 If the License Is Expired for a Mac.' Small Business - Chron.com, http://smallbusiness.chron.com/reactivate-photoshop-cs4-license-expired-mac-56885.html. Accessed 14 June 2019.
Mott, Elizabeth. (n.d.). How to Reactivate Photoshop CS4 If the License Is Expired for a Mac. Small Business - Chron.com. Retrieved from http://smallbusiness.chron.com/reactivate-photoshop-cs4-license-expired-mac-56885.html
Mott, Elizabeth. 'How to Reactivate Photoshop CS4 If the License Is Expired for a Mac' accessed June 14, 2019. http://smallbusiness.chron.com/reactivate-photoshop-cs4-license-expired-mac-56885.html
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Here are all the ways to get Microsoft Word and almost all of them are free.

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Platforms: Windows
Price: Free

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Warning: Microsoft will prompt you to download and install other files along with this; make sure you deselect everything except Word Viewer and the Office Compatibility Pack.

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Office Online

Platforms: Windows, Mac, Linux
Price: Free

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However, you can’t use Office Online without an Internet connection. When you need an offline office suite, fully installed on your own PC, then good old Office is still your best bet.

Office 2016 Preview

Platforms: Windows, Mac
Price: Free Trial on Windows (expires in September), Requires Office 365 Subscription for Mac

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Microsoft Word Mobile

Platforms: Android, iOS, Windows 10 (touchscreens)
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Office 365

Platforms: Windows, Mac, Android, iOS, Windows tablets
Price: Free Trial and Paid Subscriptions (prices starting at $6.99/$9.99 per month)

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The Office 365 Home package is available for $9.99 per month or $99.99 per year. If you plan on sharing your Office with members of your family, this is the best value-for-money deal you can get. It basically applies to five users; so you can install Office offline on five computers (PC or Mac), five tablets, five phones, and get the aforementioned 1TB storage and 60 Skype minutes for five users each. And you also get some additional features for Word Mobile on your smartphone:

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Are you a Word user who left and is happy with his new home? Are you tempted to come back, with all these new features?

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  1. What a disaster office 2016 and 365 and 369 is your internet goes down you have no office to use i will stay with office 2007 and 2010 only they work great i do not like a disaster

  2. I recently saw an article on the net saying that Microsoft will block any 'free' software one tries to use with the free Windows 10 upgrade. Does anyone know if this true? Also, another article stated a rumor that Microsoft will start charging a monthly or annual fee for updates, possibly on a sliding scale. Does anyone know about this?

  3. i am very confused, i downloaded this and now i am not quite sure what to do after that. please explain

  4. Are you sure this is legal?

  5. What? No mention of Open Office? I've used it for years. It's legitimately free, and cross compatible with Word.

  6. WHY PAY REDICULOUS PRICES--GOOGLE DOCS DOES A GOOD JOB-----I LIKED WORD BUT GAVE IT UP--DO NOT WANT TO PAY FOR EXPENSIVE SUBSCRIPTIONS

    • Yes google docs is excellent because it's free, but it is lacking compared to word. Google docs doesn't allow online professors to read submitted papers.

  7. The problem for me is I have chosen android devices that seem incompatible with these apps. Both my aging Samsung note 10.1 and my Sony xperia z can not have them.

  8. A new version of LibreOffice just came out, and it has improved import and export of Microsoft proprietary formats. It runs on Linux natively (plus other, inferior operating sytems).

    All your 'free alternatives' above have reduced functionality.

  9. WPS Office is free, a clone of Microsoft and works awesome :)

  10. Office Online...I liked it better when it first came out, when it was called Google Docs. ;)

  11. Though not free, a lot of corporations are part of the Microsoft Home User program allowing employees of these companies to purchase full blown office for $9.95. You will receive a download link with your key. If you want a physical disc, it's another $20. A great deal not hevily advertised in most companies. Search for the HUP website and entrer your corporate email address to see if your company is a member.

  12. If you absolutely have to have Office with mobile/online access, I can see why some would want Office 365, especially with a low monthly price of $7. Just keep in mind that you can get an installed version of Office 2013 for $120 on amazon, which means that if you can live without the cloud access of 365, if you plan on using Office more than 18 months your one time purchase on amazon will be cheaper in the long run. I've been using Office 2010 for 5 years now and buying the installed version has saved me a ton of moolah.

    Of course, if you prefer OpenOffice or LibreOffice, you don't have to pay anything, but I like the additional features that MS Office brings (such as speed, for one, although there are others) and so I use MS Office.

  13. Why do you guys at MakeUseOf always forget to mention Office 2010 Starter edition when talking about free Microsoft Office versions? Why better than viewer, offline and available for Windows. Basic versions of Excel 2010 and Word 2010 included. That only leaves you to install PowerPoint viewer and you're good to go with Microsoft Office without paying!