https://pariswells.com/blog/research/microsoft-sentinel-pricing
Create a new Log Analytics workspace because you probably have all your logs everywhere
Enable Sentinel On Logs Analytics
Choose Common for SecurityLogs

Install Connectors for everything you have

Cloudapps

Turn on the UEBA feature


Setup Enrichment Services : [Part1] New Microsoft Sentinel’s Enrichment Widget in UEBA Module – Hacknowledge
Import Bulk Analytics
GitHub – MSSAPSCA1/Azure_Sentinel: Bulk turn on Analytic rules in Azure Sentinel
SecureHacks/scripts/Azure/Sentinel/Enable-AlertRules at main · SecureHats/SecureHacks · GitHub
