How to Search by File Size in Windows 7

1. Open the Start menu from your taskbar.
2. Place the cursor in the 'Search programs and files' field at the bottom of the Start menu. You will enter ranges using greater-than, less-than and '..' range delimiters.
3. Type 'size:' followed by greater than or less than tags. For example, to find all files less than 70KB and greater than 45KB type:size:
45KB
4. Type 'size:' followed by greater than OR equal to tags to locate files. To find all files less than or equal to 70 Megabytes enter:size:
5. Type 'size:' followed by a series of values to locate all files between two ranges. This search includes values of the first or second sizes. For example, to return all files sized 150KB to 550KB type:size:150KB..550KB