How to Install Linux(Ubuntu) on VirtualBox in Windows 11 | Bangla Tutorial (Step by Step)

In this Bangla tutorial, I will show you how to install Ubuntu on VirtualBox in Windows (Windows 10/11) step by step. This is perfect for beginners who want to use Ubuntu without deleting Windows or doing dual boot.

What you will learn in this video:
How to download Ubuntu ISO (correct version)
How to install VirtualBox on Windows
How to create a new Virtual Machine for Ubuntu
Best settings: RAM, CPU cores, and video memory
How to create a virtual hard disk (VDI) with proper size
How to attach Ubuntu ISO and start installation
Ubuntu installation steps (normal install, updates, partition inside VM)
Installing Guest Additions (fullscreen, better display, copy-paste)
Fix common issues: black screen, no 64-bit option, stuck at boot, slow VM

Recommended settings (quick guide):
RAM: 4 GB (minimum), 8 GB (better)
CPU: 2 cores (minimum), 4 cores (better)
Disk: 30–50 GB
Video memory: 128 MB

This video is useful for:
CSE / IT students
Operating System lab and Linux beginners
Anyone who wants to learn Ubuntu on Windows safely
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