We wholeheartedly recommend this popular browser as a replacement for Internet Explorer. It is much more secure, fully featured, and standards-compliant.
Thunderbird is an e-mail client program from the makers of Firefox.
CCleaner is the number-one tool for cleaning your Windows PC. It protects your privacy online and makes your computer faster and more secure. Easy to use and a small, fast download.
Malwarebytes Anti Malware: Protects you from new online threats that antivirus can't detect.