Idon't know how to make the screenshot so i can click "run"

can someone give instructions!

i've been trying for 30 minutes now, and i'm about to blow a fuse.

i also tried downloading it, but nothing happens.

i tried opening it with every app i own.

i hate when things don't give clear instructions.

here's the link to access it:

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability

The answer is length!