Yes, model number 90G90068U has two RAM memory slots. The maximum RAM this configuration can support is 8GB DDR4-2666MHz RAM.

That will depend on the requirements and compatibility of the specific games. We recommend you check with the specific game's 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 130-15 laptop is a mid-level, moderate use configuration, with its AMD A9-9425 processor. This Dual-Core processor has a base speed of 3.1GHz and a boost speed of up to 3.7GHz. This configuration has 4GB of DDR4-1866MHz RAM and a 128GB solid state hard drive. 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.

Microsoft Office, yes. Whether any 3rd party software will work, depends on that specific software requirements and compatibility. We recommend you check with the specific 3rd party software publisher's web site 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