Microsoft does have a tester program for Windows 10, but it's hidden. The Windows 10 System Requirements page says that if you are  ... running Windows 7 SP1 or Windows 8.1 Update, you can check to see if it meets the requirements by using âCheck my PCâ in the Get Windows 10 app..
Signs and symptoms of anxiety may be physical (racing heart, shortness of breath, sweating), emotional (panic, feeling worried, stress), behavioral (nervous habits, compulsions), and cognitive (racing thoughts, worries, obsessions).
Anxiety attacks can occur causing intense feelings of fear, dread, heart palpitations, shortness of breath, trembling, and sweating. You may also show symptoms of violence, irritation, agitation and nervousness. You may also give in to unusual fits of weeping for no apparent reason.