where can I key-in the serial number in LR5?

[棋翔梁16137583]

I reinstalled the system this week.

I have a serial number and want to license LR

BUT

Where can I input the serial number?

My OS is Windows 10

and I use the OS since 2017

I ever used LR at Win10 in June 2019

thank you for your help

[Akash Sharma]

Duplicate discussion. (Locked)