CS3 troubleshoot [CS3 IS DEAD]

Two ideas that MAY work to install and/or run old programs in Windows 10 (and MAYBE Windows 11 ?)
-RIGHT click the program icon or EXE and select a compatibility mode in the pop up option window
-and/or select Run as Administrator to assign FULL Windows permissions
-also https://helpx.adobe.com/x-productkb/global/create-local-administrator-account-windows.html

HOWEVER... you won't be able to activate that old program

The CS2-CS3-CS4 activation servers have been removed from service
-https://helpx.adobe.com/creative-suite.html?promoid=19SCDRQK
-So even if you have a disc or saved download, CS2-CS3-CS4 are completely dead
-Adobe also no longer supplies the special non-activation version of CS2-CS3-CS4

CS3 from 2007 is dead.  The activation servers for it are gone.  Thus it's impossible to activate your old software for use.  Creative Suite is discontinued & unsupported now.   

You need new software that's compatible with your new computer.

MODERN OPTIONS:
Photoshop Elements (no subscription needed).
https://www.adobe.com/products/photoshop-elements.html

Creative Cloud Photography Plan (approx $10/month for 12 months). Includes the following:
- Photoshop CC and Photoshop on iPad
- Lightroom on desktop, mobile and the web
- Lightroom Classic
- Portfolio website + hosting
- Spark with premium features
- Bridge
- 20 GB cloud storage (upgradable to 1 TB).
https://www.adobe.com/creativecloud/photography.html

Creative Cloud All Apps (51 + apps & services) or Single App Plans
https://www.adobe.com/creativecloud/plans.html

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Beware of fake Adobe reps who may contact you privately offering to sell you software or take control of your computer. It's a scam, run away! Real Adobe employees will never reach out via Outlook, Yahoo, Gmail or Skype.
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3 Easy Ways to Identify Genuine Adobe Staff
https://tinyurl.com/10791730