How to download and Install O365 in your own computer
According to Microsoft website, Microsoft 365 is the productivity cloud designed to help users accomplish tasks with best-in-class Office apps, intelligent cloud services, and advanced security.
If you want to download and install the Office 365 in your computer, you need to know first if your computer specification is compatible with O365.
According to Microsoft, here are the system requirements of Office 365
COMPONENT REQUIREMENT
Computer and processor
Windows OS: 1.6 GHz or faster, 2-core. 2 GHz or greater recommended for Skype for Business
macOS: Intel processor
Memory
Windows OS: 4 GB RAM; 2 GB RAM (32-bit)
macOS: 4 GB RAM
Hard disk
Windows OS: 4 GB of available disk space
macOS: 10 GB of available disk space; HFS+ hard disk format (also known as macOS Extended) or APFS Updates may require additional storage over time.
Display
Windows OS: 1280 x 768 screen resolution (32-bit requires hardware acceleration for 4K and higher)
macOS: 1280 x 800 screen resolution
Graphics
Windows OS: Graphics hardware acceleration requires DirectX 9 or later, with WDDM 2.0 or higher for Windows 10 (or WDDM 1.3 or higher for Windows 10 Fall Creators Update). Skype for Business requires DirectX 9 or later, 128 MB graphics memory, and 32-bits-per-pixel-capable format.
macOS: No graphics requirements.
Operating system
Windows OS: Windows 10 SAC, Windows 8.1, Windows Server 2019 or Windows Server 2016. Please note Microsoft 365 Apps for enterprise will be supported on Windows Server 2016 through October 2025.
macOS: One of the three most recent versions of macOS. When a new version of macOS is released, the macOS requirement becomes one of the then-current three most recent versions: the new version of macOS and the previous two versions.
Other
Video calls & meetings:
For video calls and online meetings, Microsoft recommend using a computer that has a 2.0 GHz processor and 4.0 GB RAM (or higher). The optional Blur my background video effect requires a processor with Advanced Vector Extensions 2 (AVX2) support.
Teams requires a USB 2.0 video camera, a microphone, and an audio-output device in order to utilize its full range of calling and meeting features.
Teams live events:
For Teams live events, Microsoft recommend using a computer that has a Core i5 Kaby Lake processor, 4.0 GB RAM (or higher) and hardware encoder.
So if your computer specification meet the O365 requirements, or much better if times two (X2) from the specification above, you may proceed installing the O365.
Here are the steps.
1. Go to https://www.office.com/.
6. Click Download Office 365 apps.
7. Wait for the OfficeSetup.exe to be downloaded.
9. Open any Office Applications, such as Word. 
10. Click the Sign in button
