Using "cracked" versions found on BitTorrent or third-party sites often bypasses your antivirus and can install hidden "backdoors" or ransomware on your system. CCleaner v6.08.10255
: A popular open-source and free alternative recommended by some power users for its privacy focus. Using "cracked" versions found on BitTorrent or third-party
Open CCleaner and click on in the bottom-left corner. Select My Subscription or Subscriptions . Click Enter license key or find the Activation Code box. Paste your key and click Activate . 3. Using Professional Features Using "cracked" versions found on BitTorrent or third-party