To visit the UK as a standard visitor, you'll need to apply for a Standard Visitor visa. Here are some key points to consider:

1. **Application Process**: You must apply online before you travel to the UK and attend an appointment at a visa application centre.

2. **Eligibility**: You need to meet the eligibility requirements and only engage in permitted activities during your stay.

3. **Visa Fees**: The fee for a Standard Visitor visa is regularly updated on UKVI site. 

4. **Required Documents**: You'll need a valid passport, proof of financial means to cover your stay, proof of accommodation, and a detailed travel itinerary.

5. **Long-Term Visas**: If you visit the UK regularly, you can apply for a long-term Standard Visitor visa, which lasts 2, 5, or 10 years, allowing stays of up to 6 months per visit.

You can find more detailed information and start your application on the GOV.UK website (https://www.gov.uk/standard-visitor/apply-standard-visitor-visa). 

Safe travels!