mình có tìm được trên mạng. cách thức tương đôi giống với cách bạn chủ thớt, chỉ khác 1 chút đoạn cuối thôi:
Mã:
1.) De-compress the file
2.) Mount "Photoshop_12_LS1.dmg"
3.) Locate and click on the file "Install" on the image
4.) Select trial ****** and install
5.) Quit photoshop if it opens after launch
6.) Open the 'Terminal' application and paste in the following:
sudo /Applications/TextEdit.app/Contents/MacOS/TextEdit /etc/hosts
7.) Enter your password and a text document will pop open
8.) Paste in the following between 127.0.0.1 localhost and 255.255.255.255 broadcasthost
127.0.0.1 activate.adobe.com
127.0.0.1 practivate.adobe.com
127.0.0.1 ereg.adobe.com
127.0.0.1 activate.wip3.adobe.com
127.0.0.1 wip3.adobe.com
127.0.0.1 3dns-3.adobe.com
127.0.0.1 3dns-2.adobe.com
127.0.0.1 adobe-dns.adobe.com
127.0.0.1 adobe-dns-2.adobe.com
127.0.0.1 adobe-dns-3.adobe.com
127.0.0.1 ereg.wip3.adobe.com
127.0.0.1 activate-sea.adobe.com
127.0.0.1 wwis-dubc1-vip60.adobe.com
127.0.0.1 activate-sjc0.adobe.com
127.0.0.1 hl2rcv.adobe.com
9.) Save the hosts document (command+s)
10.) Run the following in terminal to flush your cache:
sudo dscacheutil -flushcache
11.) Open Photoshop CS5 and click on the help menu and select "Deactivate…"
12.) Select "Deactivate Permanently" then done. Quit photoshop
13.) Reopen Photoshop and enter the ******
Working on a Mac - CS5.1:
1325-0652-3605-8535-3250-5069
14.) Your done
Video: http://www.youtube.com/watch?v=6HFIAH90Ass
Tested 100% OK!
theo: http://blog.hoangyb.com/2011/10/photoshop-cs51-full-for-mac-os.html