How to Install Windows 11 – The Complete Step‑by‑Step Guide (2026)
Ready to upgrade to Windows 11? This guide walks you through checking compatibility, creating installation media, and performing a clean install or upgrade – with plenty of screenshots and tips to avoid common pitfalls.
Before You Start: Windows 11 Requirements
- 1 GHz or faster CPU with 2+ cores
- 4 GB RAM (8 GB recommended)
- 64 GB storage (SSD strongly recommended)
- TPM 2.0 (Trusted Platform Module)
- UEFI firmware with Secure Boot
- DirectX 12 compatible graphics
- High‑definition (720p) display >9″
- Internet connection (for updates)
📌 Check your PC: Download Microsoft’s “PC Health Check” tool to verify compatibility before you start.
Jump to a section
💾 Step 1: Backup Your Files & Prepare
Before touching the OS, back up everything important. Use an external drive or cloud storage (OneDrive, Google Drive). Windows 11 clean install will wipe your drive.
- Copy documents, photos, videos, music.
- Export browser bookmarks and passwords.
- Note down installed software licence keys.
Pro tip: Use Windows’ built‑in “Backup and Restore” or a free tool like Macrium Reflect to create a full system image.
💿 Step 2: Create Windows 11 Installation Media
You need an 8 GB USB flash drive (will be formatted).
- Download Microsoft’s “Media Creation Tool” from the official Windows 11 download page.
- Run the tool and accept the licence terms.
- Select “Create installation media (USB flash drive, DVD, or ISO file)” → Next.
- Choose language, edition (Windows 11), architecture (64‑bit).
- Select “USB flash drive” and choose your drive from the list.
The tool will download Windows 11 and write it to your USB. This takes 10‑20 minutes.
🔌 Step 3: Boot from the USB Drive
Insert the USB drive and restart your computer. You need to tell the PC to boot from USB.
- Common boot menu keys: F12 (Dell), ESC (HP), F2 + boot priority (Lenovo).
- Alternatively, enter BIOS/UEFI (usually F2, Del) and change the boot order to USB first.
Once booted, you’ll see the Windows Setup blue screen.
⚠️ If nothing happens: Try a different USB port (USB 2.0 if available). Disable Secure Boot temporarily or enable legacy boot.
⚙️ Step 4: Install Windows 11
- Select your language, time & currency, keyboard method → Next.
- Click “Install now”.
- Enter the product key (skip if you’re upgrading – Windows will auto‑activate later).
- Choose “Custom: Install Windows only (advanced)” – this performs a clean install.
- You’ll see your drive partitions. Delete all partitions on the drive where you want Windows (this erases everything). Then select the “Unallocated Space” and click Next.
Windows will copy files and restart several times. Do not interrupt the process.
Warning: Deleting partitions removes all data. Make sure you backed up!
🎨 Step 5: Initial Windows 11 Setup (OOBE)
After installation, you’ll go through the “Out‑of‑Box Experience”:
- Select your region and keyboard layout.
- Connect to a network (recommended).
- Sign in with a Microsoft account (or create a local account offline).
- Choose privacy settings – you can turn off most optional data collection.
- Customise your experience: “I’ll use it for personal use” is fine.
Wait while Windows finishes setting up – this may take a few minutes.
✅ Step 6: Post‑Installation Tweaks & Drivers
- Run Windows Update: Settings → Windows Update → Check for updates. Install all drivers and security patches.
- Install graphics driver: Visit NVIDIA/AMD/Intel website for the latest driver.
- Restore your files: Copy back your documents, photos, etc.
- Install essential software: Browser, antivirus, office suite, etc.
- Optimise Windows 11: Turn off startup apps (Task Manager → Startup), disable animations (System → Advanced → Performance), etc.
Done! Your computer now runs Windows 11 clean and fresh.
Troubleshooting Common Installation Issues
Enjoy Your Fresh Windows 11!
You’ve successfully installed Windows 11. Your system should now feel faster, more secure, and ready for the latest software. Regular maintenance (updates, disk cleanup) will keep it running smoothly.
Need help with post‑installation setup or customisation? Our team can assist you remotely.
Disclaimer: This guide is for educational purposes. Microsoft may change steps; always refer to official documentation. Smart Revolve is not responsible for data loss.
