Antivirus Software

Avast Free antivirus (https://www.avast.com/en-au/index#pc)

PC Cleaning Tool

CCleaner (https://www.ccleaner.com/ccleaner)

AdwCleaner ( https://toolslib.net/downloads/viewdownload/1-adwcleaner )

PDF Viewer

Adobe Acrobat Reader DC (https://get.adobe.com/jp/reader/otherversions/)

Adobe Acrobat Reader DC Font Pack (https://supportdownloads.adobe.com/thankyou.jsp?ftpID=5877&fileID=5913)

PDF Printer

Bullzip PDF Printer (https://www.bullzip.com/products/pdf/download.php)

Cube PDF (Japanese)
(https://www.cube-soft.jp/cubepdf/index.php)

Archiver

7-Zip (https://www.7-zip.org/)

Ads Blocker

Adblock Plus (https://adblockplus.org/)

Media Player

VLC media player (https://www.videolan.org/vlc/)

Free Office

LibreOffice (https://www.libreoffice.org/download/download/)

LibreOffice (Japanese) (https://ja.libreoffice.org/download/libreoffice/)

Email

Thunderbird (https://www.thunderbird.net/en-US/thunderbird/all/)

Partition Tool

EaseUS Partition Master Free (https://www.easeus.com/partition-manager/epm-free.html)