To run GeneXus Web, you just need a modern browser, and, at this stage, be a Beta Tester.
To be a Beta Tester, go to GeneXus Beta Channel and subscribe.
To start working with GeneXus Web, go to this URL: https://beta.genexus.dev/. The IDE will be displayed with a login window as shown below:

Use your GeneXus Account credentials to complete the following fields:
- Username or email corresponding to your GeneXus Account
- Password corresponding to your GeneXus Account
Next, press the Sign In button.
Note: You need to be subscribed to the GeneXus Beta Channel and therefore a GeneXus Client. If not, you will get an error stating that you need to be a Beta Tester.