Electrum is widely used by community members. I am sure a lot of people will recommend this wallet. But no one can tell you which one is the safest.  It if you run out of luck, all wallets can be hacked by the hideous scammers.

Blackboss has shared some nice resources which are useful. Also ensure to download Electrum from the official website only. You also will need to keep it up to date as and when a new version releases.