Some of the best free PC optimizers offer feature-packed toolkits containing everything you need to purge unnecessary files, fine-tune your computer settings and protect your privacy at the same time.

Starting Jan. 7, the Livermore Civic Center Library, 1188 S. Livermore Ave., will offer free basic tech help for adults from 6:30 p.m. to 8:30 p.m. on Tuesdays.

Midway Toastmasters meets every Monday from 6 to 7:15 p.m. at Midway University in the Anne Hart Raymond Center Building, Room 120. The group works on improving leadership and public speaking ...