Apisailor required CLI to operate from your browser.You can use desktop app in case you are having difficulty using CLI https://apisailor.com/download but we will recommend to stick with CLI.
Install nodejs, Skip in case you already have node environment setup.
install LTS version of nodejs from https://nodejs.org/en/download. Verify using below command.
npm --version
Install api sailor using below command
npm install -g apisailor-cli --unsafe-perm=true --allow-root
Please go to troubleshooting section in case encounter any error.
Start apisailor
apisailor start
Please visit github page to know about all CLI related features.