STEP 1: Open the System window. This can be accessed by pressing the Windows key + Pause, or by right-clicking on Computer/My Computer and selecting Properties. Compare the information with minimum requirements for your program.
STEP 2: Check your hard disk space. Open Computer/My Computer/This PC. Newer versions of Windows will show a bar of the total amount of usable and free space, as well as list the numbers.
If you have 256GB hard drive, your computer will list 238GB as the total usable space
If you have 512GB hard drive, your computer will list 476GB as the total usable space.