Right click in the Content Drawer and create an Editor Utility Widget
Select CanvasPanel in the upcoming dialog
Rename it to "MyWidget"
Search for Pixotope Widget Renderer in the Spawning Mode or the Place Actors tab and add it to your level
In the Details tab under Render Texture > Widget Asset, assign the widget class you created in step 1
Open MyWidget and add a Text block into the canvas
Select the Text block and create a binding to the text
In the graph view, click the Return Value and select Promote to variable
Make the variable public by toggling the eye icon next to the variable on the left. Rename it if you want
Compile and save the widget blueprint
Open your Level Blueprint.
Drag and drop the your Pixotope Widget Renderer actor from the Outliner onto the Event Graph to create a reference
Add a Get Widget node out of your Pixotope Widget Renderer actor and cast it to your MyWidget type
Drag out the Set function for you Text variable and change it on Tick
As an example this is how you would set it to show current Game Time in seconds.
In case you are using a regular blueprint, use the "Get All Widgets of Class" node to get the MyWidget blueprint.