Go to www.channel4.com and select “Sign in to My4”.
Controls & Settings guide
All 4 Parental Controls allows you to set a PIN on your account to restrict access to content. You can set a PIN on one or two levels: All rated content (16+ years of age only) or 18 rated content only (18+ years of age only). Age ratings are set by the BBFC.
A username and password for your All 4 account.
File Sharing & Hacking 
Innapropriate content Go to www.channel4.com and select “Sign in to My4”.
If you have registered an account, then enter your Email address and account Password.
If you have not registered an account then select “Register” and enter your details to create an account.
Once signed in select “Parental Controls”.
Select to set a PIN for 16+ or 18+ content.
Enter a 4-digit PIN that you will need to use to access content above the age rating you have selected.
Confirm the Terms and Conditions and then Enable PIN Access.
You have now enabled your PIN.
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