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).
Heart Palpitation Symptoms: You may feel anxious, or stressed out.. You may feel your heart pounding in your chest or throat, which may cause pain or mild discomfort. You may also feel your heart fluttering, and it may seem as if it is skipping a beat or beating irregularly.