Detailed Question
I registered on the site but failed to click on the verification link sent to my email to verify my account. After some days I tried to click on the verification link, the website said the link has expired.
Answer
Visit this page, https://www.skills4lifeng.org/user/password and enter your username or email address.
The website will send you a new password reset link.
Check your email, click on the link, complete your profile and set a password.
Save your profile.
You can now visit the Training Programmes page to buy access to a training or start your training if your account was pre-registered to a training.