SUPPORT

Support Center

Everything you need to install, activate, and troubleshoot your Microsoft Office software

Email Support

Get a response within 24 hours services@maventechsoftware.com

Phone Support

Mon-Sat, 9 AM - 6 PM EST 1-805-823-9961

Live Chat

Mon-Sat, 9 AM - 6 PM EST

Before Installing

  • Close all running applications
  • Ensure at least 10 GB free disk space
  • Have your product key ready
  • Disable antivirus temporarily

After Installing

  • Restart your computer
  • Check for Office updates immediately
  • Sign in with Microsoft account
  • Verify activation status in any Office app

Best Practices

  • Keep your product key in a safe place
  • Enable automatic updates for security
  • Use OneDrive for document backup
  • Save your order confirmation email

WindowsWindows Installation

Office 2019, 2021, 2024 & Microsoft 365
1
Download Office
Visit setup.office.com or use the download link from your order confirmation email. Make sure to sign in with a Microsoft account or create one if needed.
2
Enter Your Product Key
Enter the 25-character product key from your order email. The key format is: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX Copy and paste to avoid typos. The key is not case-sensitive.
3
Download the Installer
Click "Install Office" to download the setup file. The file is typically around 4-8 GB. Ensure you have a stable internet connection for the download.
4
Run the Installer
Double-click the downloaded file to begin installation. Follow the on-screen prompts. Close all Office applications before installing.
5
Activate Your License
Open any Office app (Word, Excel, etc.) and sign in when prompted, or enter your product key again if asked. Activation requires an internet connection.
Go to office.com/setup

macOSMac Installation

Office 2021, 2024 for Mac
1
Download from App Store or Link
Use the download link from your order email or download Microsoft 365/Office from the Mac App Store. For Office 2021/2024 for Mac, use the direct download link provided.
2
Open the Installer Package
Locate the downloaded .pkg file in your Downloads folder and double-click to open. You may need to allow the installation in System Preferences > Security & Privacy.
3
Follow Installation Wizard
Click Continue through the installation wizard. Accept the license agreement and choose your install location. Standard installation is recommended for most users.
4
Enter Your Credentials
Enter your Mac admin password when prompted to authorize the installation. This is your Mac login password, not your Microsoft account password.
5
Activate with Product Key
Launch any Office app and enter your product key when prompted, or sign in with your Microsoft account. For voucher codes, contact our support team to redeem first.
Redeem Mac Voucher Code

Need Help Installing?

Our support team can guide you through the installation process step by step. We offer free installation assistance for all purchases.

License key isn't working

  1. Ensure you're entering the key correctly (no extra spaces)
  2. Make sure you're using the right version of the software
  3. Check our Activation Help page
  4. Contact support if issues persist

Installation stuck or frozen

  1. Check your internet connection
  2. Disable antivirus temporarily
  3. Restart the installation
  4. Free up disk space if below 10 GB

Activation failed

  1. Verify your product key is entered correctly
  2. Ensure you have an internet connection
  3. Disable VPN if active
  4. See our Activation Help page

Haven't received my order

  1. Check your spam/junk folder
  2. Verify the email address used at checkout
  3. Wait up to 24 hours for processing
  4. Contact our support team if it still hasn't arrived

Common Error Codes

CodeMeaningFix
0x80070005Access denied during installRun the installer as Administrator and temporarily disable antivirus.
0xC004F074Windows activation server unreachableCheck internet connection, disable VPN, then retry activation.
30015-11Office install blockedRemove older Office versions, restart, then reinstall.
0x8007007BInvalid product key formatRe-enter the 25-character key — watch for 0 vs O and 1 vs I.
30088-26Office download interruptedUse the offline installer or a wired/stable connection.
Code not listed? Send us a message with the exact error and we'll help.

WindowsUninstall on Windows

  1. Open Settings > Apps > Installed apps
  2. Find Microsoft Office (or Windows app)
  3. Click the three dots and choose Uninstall
  4. Restart your computer when finished

macOSUninstall on Mac

  1. Open Finder > Applications
  2. Drag the Office apps to the Trash
  3. Empty the Trash
  4. Restart your Mac to complete removal
Uninstalling does not deactivate your license — you can reinstall and activate again on the same device anytime.

Yes, all our licenses are genuine and sourced directly from authorized Microsoft distributors. Every license key is verified for authenticity before delivery.

A perpetual license means you own the software forever with a one-time purchase. There are no recurring subscription fees, and you can use the software for as long as you want.

License keys are delivered via email within 15-30 minutes of successful payment confirmation. You will receive download instructions along with your activation key.

Each license is valid for one device. If you need licenses for multiple computers, please contact our sales team for volume discounts.

Our expert support team is available Monday through Saturday, 9 AM to 6 PM EST. We provide free professional support for installation, activation, and any issues you may encounter.

Absolutely. Our checkout is SSL-encrypted and PCI-compliant. We never store your payment details on our servers and use trusted payment processors for all transactions.

Send Us a Message

Cannot find what you are looking for? Send us a detailed message and we will get back to you within 24 hours.