That will depend on the requirement and compatibility of the specific APP you want to use. The Lenovo Tab M10 Plus Tablet, model number ZA5T0263US, ships with the Android 9.0 Operating System and is compatible with Google Play Store APPs. We recommend you check with the specific APPs software publisher's web site for their compatibility with the Android 9.0 operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration.

The Lenovo Q24i-1L Monitor is Operating System independent. It connects to a compatible computer via either VGA or HDMI 1.4 version port. We recommend you check with your computer manufacturer for the requirements and compatibility of your specific computer model with an external monitor, then compare those requirements to this Lenovo Q24i-1L Monitor.

Be sure that the APPs you are trying to use are compatible with this entry-level, Lenovo IdeaPad 1 14 Laptop, model number 81VS009GUS. Also, check your settings for your webcam and microphone both on the computer and within the settings available at the video conferencing APP you are using. Here is a link to a YouTube video that demonstrates the way to test your webcam and microphone settings and operation before you join your meeting: https://www.youtube.com/watch?v=2_LyJsD7MHM. The Lenovo IdeaPad 1 14 ships with Windows 10 S-Mode 64-bit Operating System. Windows 10 S-Mode provides added security by only allowing APPs available ( and therefore certified by Microsoft) at the Microsoft Store. If you don't need the added security or you need to install APPs not available at the Microsoft Store, you can switch to standard Windows 10 Home 64-bit Operating System, at no additional cost. We recommend you check with the video conferencing APPs software publisher's web site for their compatibility with Windows 10 S-Mode 64-bit operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration. If you need to switch out of S-Mode to Windows 10 Home, here is a link to instructions for switching from Windows 10 S-Mode to Windows 10 Home: https://support.microsoft.com/en-us/help/4456067/windows-10-switch-out-of-s-mode

That really will depend on the requirements and compatibility of both the PDF reader software you want to use and the compatibility of the printer model you will be using with the Chrome Operating System. The Lenovo Chromebook 3 14 ships with the Chrome Operating System and is compatible with Google Play Store APPs. We recommend you check with both the PDF reader software publisher's web site, of the specific PDF reader APP you want to use and then the specific printer manufacturer's web site, to check whether your specific printer model is compatible. Check for their compatibility with the Chrome operating system and the minimum/recommended hardware requirements (Is a Graphics card required, the processor speed and the minimum required system RAM and the minimum available hard drive space) to run their program, then compare those requirements to this system's configuration. Follow any pairing instructions provided by your printer manufacturer's web site, for pairing a new Chromebook to your specific model printer.