Microsoft no longer officially supports Windows 10, so do this if you want to keep using your older PC securely.

Dear PropellerHeads: My friend told me to stop paying for Windows PC security and use one of the free products out there. Is it safe? Answer: Safe is relative. So free anti-virus protection might be ...

SEATTLE -- Microsoft Corp. said Thursday it plans to release a beta test of its free computer security program next week and is on track to launch a finished product in the fall. The program, ...