Are your Microsoft licenses genuine and authentic?

Yes, 100% of our licenses are genuine Microsoft products sourced directly from authorized channels. Every license comes with full Microsoft support and lifetime validity.

How fast is the delivery after purchase?

We provide instant digital delivery. Your license key will be delivered to your email within seconds after payment confirmation. No waiting, no shipping delays.

What payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and cryptocurrency payments. All transactions are secured with SSL encryption.

Do you offer customer support?

Yes, we provide 24/7 customer support via email and live chat. Our expert team can help with installation, activation, and any technical questions.

Is there a money-back guarantee?

Yes, we offer a 30-day money-back guarantee. If you're not satisfied with your purchase or experience any issues with activation, we'll provide a full refund.

Can I use the license on multiple devices?

It depends on the product. Single-device licenses can be used on one PC. We also offer multi-device packs (5 PC) for families and businesses that need multiple installations.

Can I install Office 2021 on Windows 7?

No, Office 2021 requires Windows 10 version 1803 or later, or Windows 11. If you're on Windows 7, consider upgrading your operating system or using Office 2019.

Does Office 2021 work on M1/M2/M3 Macs?

Yes! Office 2021 runs natively on Apple Silicon Macs, providing excellent performance without requiring Rosetta 2 translation.

How much disk space do I really need?

Microsoft states 4 GB minimum, but we recommend at least 10 GB. This accounts for updates, temporary files, and your documents.

Should I install 32-bit or 64-bit Office?

Most users should install 64-bit Office. Only choose 32-bit if you use specific legacy add-ins or COM components that require it.

Do I need internet after installation?

No, Office 2021 works offline after the initial activation. You only need internet for updates and certain online features.

Will Office 2021 work on a Chromebook?

No, Office 2021 requires Windows 10/11 or macOS. Chromebook users can use Office Online (free) or Microsoft 365 web apps.

Can I install Office 2021 on a tablet?

Yes, if your tablet runs Windows 10/11. Surface tablets and Windows tablets are fully supported.

What happens if my system doesn't meet requirements?

Office may install but could run slowly, crash frequently, or have features that don't work properly. We strongly recommend meeting at least the minimum requirements.

Is 4 GB RAM enough for Office 2021?

4 GB meets the minimum requirement, but 8 GB or more is recommended for a smooth experience, especially with large files or multiple applications.

Does Office 2021 support touch screens?

Yes, Office 2021 includes touch mode for better usability on touchscreen devices and tablets.

Office 2021 System Requirements | Complete Hardware & Software Guide

Before You Install

Microsoft Office 2021 is a perpetual license version that offers a one-time purchase option. Before installing, ensure your computer meets these requirements for optimal performance. This guide covers both minimum and recommended specifications for Windows and macOS.

Windows System Requirements

Requirements for Office 2021 on Windows 10 and 11

Important

Office 2021 requires Windows 10 or Windows 11. It is NOT compatible with Windows 7 or Windows 8/8.1.

Minimum Requirements

Processor
1.6 GHz, 2-core processor
RAM
4 GB (64-bit) / 2 GB (32-bit)
Storage
4 GB available disk space
Display
1280 x 768 screen resolution
Graphics
DirectX 9 or later with WDDM 2.0
Operating System
Windows 10 version 1803 or later

Recommended Requirements

Processor
2.0 GHz or faster, multi-core processor
RAM
8 GB or more
Storage
10 GB available (SSD preferred)
Display
1920 x 1080 Full HD resolution
Graphics
DirectX 12 compatible with 2 GB VRAM
Operating System
Windows 11 (latest version)

Mac System Requirements

Requirements for Office 2021 on macOS

Apple Silicon Support

Office 2021 runs natively on Apple Silicon (M1, M2, M3) Macs for optimal performance. Intel-based Macs are also fully supported.

macOS Requirements

Operating System
macOS Mojave (10.14) or later
Processor
Intel or Apple Silicon (M1/M2/M3)
RAM
4 GB minimum (8 GB recommended)
Storage
10 GB available disk space (HFS+ or APFS)
Display
1280 x 800 screen resolution
Browser
Safari, Chrome, or Firefox (latest)

For Best Experience

macOS Ventura or Sonoma
Apple Silicon Mac (M1 or later)
16 GB RAM for large documents
SSD storage for faster performance

Browser Requirements

For Office Online features and add-ins

Some Office 2021 features require a modern web browser:

Browser	Version	Supported
Microsoft Edge	Latest version
Google Chrome	Latest version
Mozilla Firefox	Latest version
Safari	Latest version (Mac only)
Internet Explorer	Any version

Windows Version Compatibility

Office 2021 support by Windows version

Windows Version	Supported	Notes
Windows 11		Full support
Windows 10 (1803+)		Full support
Windows 10 (older)		Update required
Windows 8.1		Not supported
Windows 8		Not supported
Windows 7		Not supported

32-bit vs 64-bit Office

Choose the right version for your needs

Aspect	32-bit	64-bit	Best
RAM Usage	Limited to ~2 GB per app	Uses full system RAM	64-bit
Large Files	May crash with files >2 GB	Handles files up to 4 GB+	64-bit
Excel Workbooks	Limited to smaller datasets	Better for big data	64-bit
Add-in Compatibility	Legacy add-ins work	Some old add-ins may fail	32-bit
Recommended For	Legacy systems, old add-ins	Modern systems, power users	64-bit

Microsoft recommends 64-bit Office for most users. Only choose 32-bit if you rely on legacy add-ins.

Network Requirements

Internet connectivity needs

Installation

Internet required for download and initial setup

Required

Activation

One-time internet connection to activate your license

Required

Daily Use

Internet NOT required after activation

Not Required

Updates

Internet required to download security updates

Required

Minimum 1 Mbps broadband recommended for installation

How to Check Your System

Verify your computer meets the requirements

Windows

1Press Windows + I to open Settings
2Click on 'System'
3Select 'About' from the left menu
4View your processor, RAM, and system type (32/64-bit)
5Check 'Windows specifications' for your version

Mac

1Click the Apple menu in the top-left corner
2Select 'About This Mac'
3View your macOS version, processor, and memory
4Click 'More Info' for additional details
5Check 'Storage' tab for available disk space

Performance Optimization Tips

Get the best experience from Office 2021

Use an SSD

Solid-state drives significantly improve Office startup and file loading times.

Keep 20% Disk Free

Office needs space for temporary files and virtual memory.

Update Regularly

Install Windows and Office updates for best performance and security.

Manage Add-ins

Disable unused add-ins to speed up Office startup.

Upgrade RAM

8 GB or more RAM helps when working with multiple documents.

Close Background Apps

Free up system resources by closing unnecessary programs.

Frequently Asked Questions

Related Office 2021 Guides

Office 2021 vs Microsoft 365

View all Office 2021 guides

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