1 Click System Tools. 2  Click Activate Windows. 3  Click Use the automated phone system to activate. 4  Click the drop-down menu, select the location that is nearest to you, and then click Next. 5  The Product Activation Center telephone number is displayed at the top of the window. Click All Programs, and then click Accessories. 2  Click System Tools. 3  Click Activate Windows. 4  Click Use the automated phone system to activate. 5  Click the drop-down menu, select the location that is nearest to you, and then click Next. 6  The Product Activation Center telephone number is displayed at the top of the window.
Treating bacterial infections and preventing heart valve infections are two common Keflex uses. Bacterial infections that can be treated with the drug include urinary tract infections, bone infections, and middle ear infections, among others. Keflex does not work against infections caused by a virus, such as the flu, stomach flu, or common cold. Currently, there are no universally recognized off-label Keflex uses.
Cephalexin is most commonly used to treat infections caused by bacteria. Some of these types of infections may include: 1  Respiratory tract infection, such as pneumonia, bronchitis, strep throat, or tonsillitis.2  Bone infection (osteomyelitis). 3  Middle ear infection (otitis media).ephalexin may be used to treat a number of other bacterial infections. In addition, it can be substituted in place of penicillin to treat common infections in those people who are allergic to penicillin.