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).
Many things can cause heart palpitations. In the vast majority of cases, the cause is either related to your heart or is unknown. Non-heart-related causes of palpitations include: Strong emotions such as anxiety, fear, or stress; palpitations often occur during panic attacks.