You can follow the below steps to how you can apply for a UK work visa:
Step 1: Get a job offer from a licensed UK employer
Step 2: Get a Certificate of Sponsorship (CoS)
Step 3: Fill out the online visa application on the UK government website
Step 4: Pay the application fee and the Immigration Health Surcharge (IHS)
Step 5: Go to a biometric appointment and provide any required documents
Step 6: Wait for a decision before heading to the UK