Due to the impact of Coronavirus over 5.5 million people are claiming Universal Credit. Many of them are new to claiming Universal Credit having been negatively impacted by Coronavirus. 
Here is the Universal Credit guide link to help you claim: 
https://www.jobcentrenearme.com/universal-credit/

Also to help you:
https://www.wikijob.co.uk/ 
WikiJob is the best place to prepare for your interview, assessment centre or aptitude test. People can read expert advice and speak to other candidates.