Download and extract files.
Click on the Illustrator_15_LS1 application.
(not on the Illustrator_15_LS1 zip/rar file.)
Extract files,the folder will extract to your desktop.
If the installer ask to restart then restart.
Open the folder that was just created and
open the Illustrator folder.Next Open the
Adobe Illustrator CS5 folder.
Run the "Set-up" application.
Install, using "Enter Serial Number"
Not as a Trial. Will need to patch the host file 1st.
8) Open the Keygen.
You will fine it in the folder "Master 3264 Gen"/"64 Bit"
Select Patch Host File.
If it says already patched, it's fine.
Select "Adobe Illustrator CS5 v15.x
Copy and paste the key, hit next and install.
(Skip "Enter an Adobe ID")
Hit "done" amd close
Open the folder with the Master 3264 Gen folder,
Open the 32 Bit folder
Note: You will see a "C:\Program Files (x86)" folder
only if you are running x64 system
Note:If you are running only an x86 (32 bit) you will see
a "C:\Program Files" folder
Copy and and paste the "amtlib.dll into the following
C:\Program Files (x86)\Adobe\Adobe Illustrator CS5\Support Files\Contents\Windows
Open Illustrator, You now have full Illustrator
Update, the .dll file allows you to donwload updates with no issues.
The Patch will make all trials of Master Collections CS5 full apps.
Download link for Patches /32 bit/64 bit/(works for Illustrator also)