How to Check Your Laptop Specs: A Complete 2025 Guide for Windows, macOS & Linux Users » Lapsol Technologies

Knowing your laptop’s specifications is essential whether you’re installing new software, upgrading components, troubleshooting performance issues, or preparing to sell or trade it in. This guide will show you how to check your laptop specs quickly and accurately across Windows, macOS, and Linux systems.

Why You Should Check Your Laptop Specs

Before diving into the steps, here are a few reasons why checking laptop specifications is important:

To confirm compatibility before installing software or games
When planning a RAM or storage upgrade
For better resale value listing
To troubleshoot performance or hardware issues

How to Check Laptop Specs in Windows (Windows 10 & 11)

1. Using System Information

Press Windows + R to open the Run dialog.
Type msinfo32 and press Enter.
The System Information window will appear. Key specs to look at:

Processor (CPU)
Installed RAM
System Type (32-bit or 64-bit)
BIOS Version
Motherboard Model

2. Via Settings

Go to Settings > System > About.
Scroll down to see details like Device name, Processor, Installed RAM, and Windows version.

3. Using Command Prompt

Open Command Prompt, type:

Press Enter. This will list detailed system specs.

How to Check Laptop Specs on macOS

1. About This Mac

Click the Apple logo () in the top-left corner.
Select About This Mac.
You’ll see a summary: macOS version, Processor, Memory, Graphics, and Serial Number.

2. System Report

From the About This Mac window, click System Report for advanced specs like:
Storage breakdown
Battery health
Network details
Thunderbolt devices

How to Check Laptop Specs on Linux (Ubuntu/Debian)

1. Using Terminal

Open a terminal and run:

Tip: You may need to install lshw or neofetch first using sudo apt install lshw.

2. Using GUI (Ubuntu)

Go to Settings > About.
You’ll see your device name, OS version, CPU, memory, graphics, and more.

Key Laptop Specs to Know

Here are the most important hardware specifications to check:

Component	What It Does
CPU	Determines processing power
RAM	Affects multitasking and app performance
Storage	SSD/HDD type and capacity affect speed & space
GPU	Important for gaming, editing, design
Motherboard	Determines upgrade possibilities
OS Version	Affects software compatibility

Bonus: Use Free Tools to Check Laptop Specs

CPU-Z (Windows) – Detailed CPU, RAM, and motherboard info
Speccy (Windows) – All-in-one system overview
iStat Menus (macOS) – Advanced monitoring and hardware stats
Hardinfo (Linux) – GUI-based system info tool

Final Thoughts

Learning how to check your laptop specs helps you make smarter tech decisions—whether it’s upgrading, selling, or troubleshooting your computer. With just a few clicks or commands, you can uncover everything you need to know about your system.