Search your inbox for "Acronis" or "Cleverbridge" (their payment processor). The serial number was typically sent immediately after purchase.
You may find websites claiming to list "working serial numbers" for Acronis True Image Home 2011. While these might seem tempting, they rarely work for several reasons: acronis true image home 2011 serial number
If you registered the product when you bought it, the 64-digit serial number is permanently stored in your account at Acronis.com. Log in and check the "Products" section. Search your inbox for "Acronis" or "Cleverbridge" (their