Problem about expiration of Photoshop cs4 serial number

1) Search for some PS cs4 serial numbers on the network:

For example, 1330-1221-6824-4838-0308-6823,1330-1283-7461-4574-7002-1795-2880, 5375-9721-1221-6824-4838-0308 --- -6823,1330-1283-7461-4574-7002-2504, enter the serial number, OK, and close the PS program;

2) Find the file in the following path:

Disk C-hosts in the Windows-System32-drivers-etc, right-click-select notepad to open the file, at the end (another line)

Enter 127.0.0.1 activate.adobe.com, save, and close notepad.

Open the PS cs4 program again, and the page for registration will not pop up.

Problem about expiration of Photoshop cs4 serial number