cfos personal net激活问题

Install, register and activate cFos Personal Net with your 30-digit serial within 5 steps:

1. Download and install cFos Personal Net
2. Install cFos Personal Net
3. Hit the Windows key and search for "Personal" using the Windows Search
4. Click the entry "Enter cFos Personal Net serial number" [ can also be found here: C:\ProgramData\Microsoft\Windows\Start Menu\Programs\cFos Personal Net ]
5. Enter the 30-digit serial key

已经购买了激活码，但是不知道如何激活，软件内也没有找到激活的地方。