These are links to the official .gov site, be aware that fake sites are often promoted at the top of online search results. 

Apply for your provisional licence, you must have this before starting practical training:

• https://www.gov.uk/apply-first-provisional-driving-licence

Ask me about theory test revision materials and strategies, then try an official mock theory test for free:

• https://www.gov.uk/take-practice-theory-test

Book your theory test online:

• https://www.gov.uk/book-theory-test

Book your practical test online:

• https://www.gov.uk/book-driving-test

Revise 'show me, tell me' questions:

• https://www.gov.uk/government/publications/car-show-me-tell-me-vehicle-safety-questions