Select Adobe Acrobat (or whichever reader you downloaded) from the list of available options. If no list appears or the page opens in another application, you can right-click the file and select Open With to choose your PDF reader. Click Open.
Source : https://www.adobe.com/acrobat/hub/how-to-read-pdfs-on-pc.html
All file reader is an All file opener app in which you can open any kind of file. You can view word files, PDF files, excel files, and ppt files.
Source : https://cafebazaar.ir/app/com.documentmanager.Allfileviewer?l=en
To find the My Files folder, search using the app search or in the default Samsung folder on your apps screen. My Files sorts your files into categories, such as Images, Videos, Audio and Downloads. If you have recently downloaded a file and are trying to locate it, tap Downloads" to access or delete the file."
Source : https://www.samsung.com/uk/support/mobile-devices/how-to-use-my-files/
It's all there, and it's all free. However, there's an option to pay for a better version of YouTube. YouTube Premium offers convenient perks such as an ad-free experience and offline viewing on mobile devices, starting at $13.99 per month.
Source : https://www.pcmag.com/reviews/youtube-premium
How To Always Open PDF in Chrome on Windows:Right-click on any PDF on your system.Click “Properties” > ”Open with…”Choose Google Chrome and hit ”Ok.”Doing this should switch the default reader.Oct 23, 2023
Source : https://smallpdf.com/blog/open-pdf-in-chrome
In Windows 10, no 'C:\\Documents and Settings' folder anymore. You may find that folder's contents in 'C:\\Users\\YourUserID\\AppData\\Local' folder in Windows 10.Aug 14, 2015
Source : https://answers.microsoft.com/en-us/windows/forum/all/documents-and-settings-in-windows-10/be87dd2d-f903-427f-b501-932a3a2999d1