How to attach a volume to an instance

Before attaching a volume to an instance, you need to create both a volume and an instance, instructions for which you can find in the related tutorials

Navigate to Project > Instances

Select the instance you want to add a volume to

Click on the Actions dropdown menu on the right

Select Attach Volume

Select the volume you want to attach from the Volume ID dropdown menu, then click Attach Volume

You have now attached a volume to your instance