Dozens of various programs may be installed on your computer. But not every program creates an icon on Desktop or a folder in the Start menu. Thus you may not know if a particular software is installed. Fortunately, the Windows Control Panel allows you to conveniently access the list of all programs on your computer.
In Windows Vista/7
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Step 1
Log in to a user account in Windows.
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Step 2
Click "Start" and then "Control Panel."
Step 3
Click "Programs" and then choose "Programs and Features" option.
Step 4
Scroll down the list that contains all software that is installed on your computer. The column "Installed On" specifies a date on which a particular program was installed.
In Windows XP
Step 1
Log in to a user account in Windows.
Step 2
Click "Start" and open "Control Panel."
Step 3
Click "Add or Remove Programs."
Step 4
Scroll down the program list to see software installed on your computer.