Just type https://wp.new in your browser and a fresh install of WordPress will be ready instantly, so you can test a theme, plugin or anything you want. It’s free – you don’t even need to register the account.
InstaWP is used by developers, agencies, hosting companies and WordPress product builder to speed up their workflows without the pain and cost of having to set up and manage staging and testing environments.
Pro plans give you more websites and features, and the ability to keep test sites permanently.