After the trial period (30 days) is over, you must purchase it to use it.

Quick capture! Only 3 steps!

step1. Shortcut (Screen capture of mouse over)
step2. Drag (Crop Image)
step3. Paste Done!!

default shortcuts : ctrl + 1
If you right-click on the capture screen, the setting screen appears.

How to Run Microsoft Store Apps at Startup in Windows 10 -
https://www.tenforums.com/tutorials/104440-run-microsoft-store-apps-startup-windows-10-a.html