There are preparatory courses for master's degrees in Leeds University, but not all master's courses have preparatory courses. Preparatory courses are mainly to help those students with poor academic background but high English level improve their academic ability, so that they can successfully enter the master's program.

The steps to apply for the Master's degree in the University of Leeds are as follows:

1. Online application: First, you need to find the online application system on the official website of the University of Leeds, and then fill in your personal information and educational background as prompted.

2. Submission materials: You need to submit your resume, academic credentials, transcripts, English proficiency certificates and other materials. If your mother tongue is not English, you may also need to submit English proficiency test scores, such as IELTS or TOEFL.

3. Pay the application fee: After completing the online application, you need to pay the application fee. The specific amount of the fee will be shown when you submit your application.

4. Waiting for the admission notice: After submitting the application, you need to wait for the admission notice from Leeds University. If you are accepted, you will receive an email, which will contain your admission details and the next operation guide.

5. Accept the admission: If you decide to accept the admission of Leeds University, you need to reply to the email within the specified time to confirm your decision.

6. Prepare a visa: If you are a student from a non-EU country, you may need to apply for a student visa. You need to find relevant information on the official website of Leeds University, and then prepare your visa application materials as required.

7. Arrive in the UK: After you get a visa, you can come to the UK. You need to register your address and start your preparatory course within two weeks after you arrive in the UK.

Generally speaking, it takes some time and effort to apply for the Master's degree in Leeds University, but if you have determination and perseverance, you will be able to apply successfully.