I purcuhased for avast but when I click to use the licence i cant use it

i pruchased for avsts 1 year membership
and the confirmation email is arrived to my mailbox
clicked on the activate you license and it seems like activated but i cant use pc performance optimazer tool

(my english is not perfect i know but i hope you understood what i try to say)

https://forum.avast.com/index.php?board=63.0

What exactly did you buy ?
CleanUp requires a separate license.

ı scaned my pc and when the program scaning mu performance issues a window appeard and it was saying that please chppse you membership to complate your scan so i pruschased for this

Follow the link in Reply #1 and read/ask there.