Quitting Safari during Installation of CS6?

One of the most important thing, checkout if you're using any cracked or malware related software from any other place. Remember my friend, if you're doing so then definitely you'll face problems. Instead you can use the Adobe Creative Cloud and Checkout the official versions of the softwares.

Reportedly, people use the softwares purchased from other markets with alot of cracked or faulty versions with full of malwares. Use only official versions and delete everything if you're doing so.

Have a great day!

I bought CS6 Master Collection for iMac on eBay recently

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In that case, I have a Surfside Florida condo to sell you. 🙂

But seriously, what did you expect from eBay?  CS6 has NOT been sold legally since Jan 2017.  Most of what gets traded on eBay is cracked or malware infected junk that's not worth having at any price. 

CS6 is legacy software from 2012.  Even legitimate CS6 won't install on modern macOS Catalina or Big Sur.  And the legacy installers won't work on Sierra, High Sierra or Mojave without workarounds.

https://helpx.adobe.com/creative-cloud/kb/install-creative-suite-mac-os-sierra.html

Maybe you can get your money back from PayPal.  Good luck!

This is a public forum, do NOT post a serial number here

Close Safari problem https://helpx.adobe.com/acrobat/kb/install-prompt-close-safarinotificati.html

Transfer (selling or giving your software away) https://helpx.adobe.com/x-productkb/policy-pricing/transfer-product-license.html
-you may NOT sell or transfer an Education serial number

CS6 is no longer sold or supported, but you MIGHT be able to get your number verified

Be sure to remain signed in with your Adobe ID before accessing the link
Do be aware that Adobe's staffing is impacted by the virus, so wait times are long
-make sure that your browser does NOT block ads, scripts, or pop-ups
-you must also allow 'cookies' in your web browser for the link to work
This link will go directly to the chat option
Type "Agent" in the chat box to bypass the chatbot and be connected to a person
-Meaning type in the word Agent without the quote " " marks
https://helpx.adobe.com/contact.html?rghtup=autoOpen
- or https://helpx.adobe.com/contact/phone.html
.
Also: beware of answering anyone who sends you a private message
-click for more information about scammers https://tinyurl.com/10791730