Please note: These resources are not created by me. I am providing links to the resources to save you time. The downloading and use of the resources is at your own risk and every care should be taken when downloading and using resources found on the Internet.
Anti-Virus Tools
Total AV: https://www.totalav.com/free-download
Scanguard: https://www.scanguard.com/start/download
Anti-Malware
Malwarebytes: https://www.malwarebytes.com/mwb-download/
Malicious Software Removal Tool (Microsoft) https://www.microsoft.com/en-au/download/malicious-software-removal-tool-details.aspx
SuperantiSpyware: http://www.superantispyware.com/
PDF Readers
Adobe Acrobat: https://get.adobe.com/reader/
Foxit: https://www.foxitsoftware.com/pdf-reader/
Free PDF Reader: https://free-pdf-reader.en.softonic.com/
Text Editors
Notepad ++ https://notepad-plus-plus.org/
EditPad Lite: https://www.editpadlite.com/
Sublimetext: http://www.sublimetext.com/
Image Editors
Gimp: https://www.gimp.org/
Photo Pos Pro: http://www.photopos.com/PPP3_BS/Default.
Paint.net: https://www.getpaint.net/
PhotoPad: https://photopad.en.softonic.com/
Email Clients
Eudora: https://filehippo.com/download_eudora/1663/ or http://www.tucows.com/preview/194172
eMclient http://www.emclient.com/
Mozilla Thunderbird: https://www.mozilla.org/en-GB/thunderbird/