
How do I do? Your manual did not help me at all....
PS. I tried this:
$ winetricks allfonts
But it resulted in failure. Instead, I got this.
(username)@(username)-desktop:~$ winetricks allfonts
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You are using a 64-bit WINEPREFIX. Note that many verbs only install 32-bit versions of packages. If you encounter problems, please retest in a clean 32-bit WINEPREFIX before reporting a bug.
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Using winetricks 20180217 - sha256sum: 1b156c616174f41df79d72a90c52eb2b110c63a6e8ecb865d303a8f9f0908924 with wine-3.6 (Ubuntu 3.6-1) and WINEARCH=win64
Executing w_do_call allfonts
Executing load_allfonts
Executing w_do_call baekmuk
baekmuk already installed, skipping
Executing w_do_call calibri
Executing load_calibri
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Checksum for /home/(username)/.cache/winetricks/PowerPointViewer/PowerPointViewer.exe did not match, retrying download
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Executing cd /home/(username)/.cache/winetricks/PowerPointViewer
Downloading https://download.microsoft.com/download/E/6/7/E675FFFC-2A6D-4AB0-B3EB-27C9F8C8F696/PowerPointViewer.exe to /home/(username)/.cache/winetricks/PowerPointViewer
--2018-10-01 21:36:09-- https://download.microsoft.com/download/E/6/7/E675FFFC-2A6D-4AB0-B3EB-27C9F8C8F696/PowerPointViewer.exe
download.microsoft.com (download.microsoft.com) をDNSに問いあわせています... 2600:140b:2000:1aa::e59, 2600:140b:2000:195::e59, 23.218.44.235
download.microsoft.com (download.microsoft.com)|2600:140b:2000:1aa::e59|:443 に接続しています... 失敗しました: 接続を拒否されました.
download.microsoft.com (download.microsoft.com)|2600:140b:2000:195::e59|:443 に接続しています... 失敗しました: 接続を拒否されました.
download.microsoft.com (download.microsoft.com)|23.218.44.235|:443 に接続しています... 接続しました。
HTTP による接続要求を送信しました、応答を待っています... 404 Not Found
2018-10-01 21:36:11 エラー 404: Not Found。
Executing cd /home/(username)/.cache/winetricks/PowerPointViewer
Downloading https://web.archive.org/web/2000/https://download.microsoft.com/download/E/6/7/E675FFFC-2A6D-4AB0-B3EB-27C9F8C8F696/PowerPointViewer.exe to /home/(username)/.cache/winetricks/PowerPointViewer
--2018-10-01 21:36:12-- https://web.archive.org/web/2000/https://download.microsoft.com/download/E/6/7/E675FFFC-2A6D-4AB0-B3EB-27C9F8C8F696/PowerPointViewer.exe
web.archive.org (web.archive.org) をDNSに問いあわせています... 207.241.225.186
web.archive.org (web.archive.org)|207.241.225.186|:443 に接続しています... 接続しました。
HTTP による接続要求を送信しました、応答を待っています... 302 FOUND
場所: https://web.archive.org/web/20101225094622/http://download.microsoft.com/download/E/6/7/E675FFFC-2A6D-4AB0-B3EB-27C9F8C8F696/PowerPointViewer.exe [続く]
--2018-10-01 21:36:14-- https://web.archive.org/web/20101225094622/http://download.microsoft.com/download/E/6/7/E675FFFC-2A6D-4AB0-B3EB-27C9F8C8F696/PowerPointViewer.exe
web.archive.org:443 への接続を再利用します。
HTTP による接続要求を送信しました、応答を待っています... 200 OK
長さ: 特定できません [application/octet-stream]
`PowerPointViewer.exe' に保存中
PowerPointViewer.ex [ <=> ] 60.28M 170KB/s 時間 7m 11s
2018-10-01 21:43:25 (143 KB/s) - `PowerPointViewer.exe' へ保存終了 [63204984]
Executing cd /home/(username)/.cache/winetricks/PowerPointViewer
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sha256sum mismatch! Rename /home/(username)/.cache/winetricks/PowerPointViewer/PowerPointViewer.exe and try again.
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(username)@(username)-desktop:~$
To clarify, it couldn't be connected to the sites.
Second PS. Only these fonts got installed.... WTF.... QUICK please....

Third PS. The screenshot couldn't be attached correctly so here it is.
Using winetricks 20180217 - sha256sum: 1b156c616174f41df79d72a90c52eb2b110c63a6e8ecb865d303a8f9f0908924 with wine-3.6 (Ubuntu 3.6-1) and WINEARCH=win64
Please use 20180603 or later (available on Ubuntu 18.10 or later) if you really need allfonts (Note that Microsoft no longer provides PowerPoint Viewer). We strongly recommend to use latest version (See "Installing" in https://github.com/Winetricks/winetricks).
If you only want to fix Japanese font rendering, try winetricks fakejapanese_ipamona fakejapanese_vlgothic instead. If you also need MS corefonts, run winetricks corefonts additionally.
Most helpful comment
Please use 20180603 or later (available on Ubuntu 18.10 or later) if you really need
allfonts(Note that Microsoft no longer provides PowerPoint Viewer). We strongly recommend to use latest version (See "Installing" in https://github.com/Winetricks/winetricks).If you only want to fix Japanese font rendering, try
winetricks fakejapanese_ipamona fakejapanese_vlgothicinstead. If you also need MS corefonts, runwinetricks corefontsadditionally.