Acrobat Reader DC activate / deactivate tabs

Add the switch user button

1. Press the Windows + R keys to open the Run dialog, type gpedit.msc, and press Enter. NOTE: This file is located at C:\Windows\System32\gpedit.msc.

2. If prompted by UAC, click on Yes.

3. You can now set and manage the Local Group Policies on your computer to how you want them.

In the left pane, click on to expand Computer Configuration, Administrative Templates, System, and Logon. (See screenshot below)

In the right pane, right click on Hide entry points for Fast User Switching and click on Edit. (See screenshot above)

https://www.sevenforums.com/tutorials/3652-local-group-policy-editor-open.html
https://www.sevenforums.com/tutorials/63025-ctrl-alt-del-start-menu-add-remove-switch-user.html 

No sound in speakers/headphones when HDMI connected

Apparently it's not possible to output sound through both the HDMI and the headphone jack simultaneously.  But If you want to watch video through HDMI and listen via headphone jack do this:

Right click on the speaker icon in the taskbar > left click playback devices > right click HDMI > disable

OPTION 2

change the default playback device for the internal soundcard instead of the HDMI

https://answers.microsoft.com/en-us/windows/forum/windows_8-pictures/how-to-use-hdmi-and-headphone-jack-simultaneously/5b0ad7ba-6c86-49de-a23d-233d6fcc099e

Compare and merge two versions of a document

Compare two versions of a document

1. Open one of the two versions of the document that you want to compare.
2. On the Tools menu, point to Track Changes, and then click Compare Documents.
    

   Note: If the Compare Documents option is not available, the document might be protected.

   To unprotect a protected document, on the Tools menu, click Unprotect Document.

   Src:  https://support.office.com/en-us/article/Compare-and-merge-two-versions-of-a-document-f5059749-a797-4db7-a8fb-b3b27eb8b87e

Поставить ударение над буквой

Помните, что комбинация 0300 «Alt+x», 0301 «Alt+x» — работает (при определенной сноровке).

http://myblaze.ru/udarenie-nad-bukvoy-v-word-eto-ochen-prosto/

Excel conditional formatting

https://support.office.com/en-us/article/Use-a-formula-to-apply-conditional-formatting-fed60dfa-1d3f-4e13-9ecb-f1951ff89d7f

1. Select cells
2. Then, click Home > Conditional Formatting > New Rule.
   
   

MS Word add comment

Select text to comment then press Ctrl+Alt+M