The Lenovo IdeaPad S145-15 laptop, model number 81N3009BUS, does not have a built in CD/DVD drive. Whether this configuration will support the specific software and hardware you will need, will depend on the requirements and compatibility of the software and hardware. We recommend you check with both the hardware manufacturer's web sites, as well as the specific software publisher's web sites for their compatibility 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.) 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 IdeaPad S145-15 laptop, model number 81N3009BUS is a mid-level, moderate use configuration, with its AMD A6-9225 processor. This Dual-Core processor has a base speed of 2.6GHz and a boost speed of up to 3.0GHz. This configuration has 4GB of RAM. It is good with Microsoft Office type programs, internet browsing and other moderate work. This model ships with Windows 10 S-Mode 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.

The battery is internal.

The Lenovo IdeaPad S145-15 laptop, model number 81N3009BUS, ships with a LCD w/LED Backlight (Anti-glare) screen, with a resolution of 1366 X 768 (HD) and a brightness level of 220 nits. There are stereo 1.5W speakers on this computer. This is a mid-level, moderate use configuration, with its AMD A6-9225 processor. This Dual-Core processor has a base speed of 2.6GHz and a boost speed of up to 3.0GHz. This configuration has 4GB of RAM. It is good with Microsoft Office type programs, internet browsing and other moderate work. This model ships with Windows 10 S-Mode 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.

The Lenovo IdeaPad L340-17 laptop, model number 81LY000FUS ships with the latest 5G, 802.11AC frequency WiFi. You will need an 802.11AC compatible router to take advantage of this high speed WiFi connectivity. 802.11AC is backward compatible to the older b/g/n frequencies as well, but only at 2.4GHz speed.