Upgrade Microsoft Windows 11 Home To Professional | Lifetime License Key

Download and activation

Use the download link and instructions supplied for your order. Match the software version and edition to the key you purchased before installing.

Get started

Check your device’s system requirements, download from the official Microsoft source specified in your instructions, and follow the activation steps for your edition. Our download and activation guide explains where to start.

Need your delivery email?

Check spam and promotions folders and confirm the email address used at checkout. Read our digital delivery information or contact support with your order number.

Get help from Softcomp

For installation or activation questions, visit Softcomp Support. Include your order number, software edition, operating system, and exact error message. Keep your product key private.

Before you buy

How do I choose the right edition?

Match the product edition and operating system to your device. Check the device limit, license term, activation method, and any upgrade requirements before ordering. Ask Softcomp if you need help choosing.

Will the key work in my country?

Country restrictions depend on the specific license. Check the product’s region information and contact support before purchasing for use outside the listed countries.

Can I reinstall or move the license?

Reinstallation and transfer rights depend on the license supplied. Confirm the terms for this product before buying for a replacement device.

Where can I find installation help?

Start with our download and activation guide, then follow the instructions for the edition you purchased.

What if I need help after ordering?

Visit Softcomp Support with your order number, software edition, and the exact error message. Keep your product key private.

What does the guarantee cover?

Review the refund policy for the applicable coverage and conditions. Contact support if you have a question about your order.