How Can We Help?

How Can We Help?

Find answers about products, installation, downloads, activation, product keys, orders, troubleshooting, licensing and more.

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Getting Started

Confirm the required edition, operating system, device type and license terms shown on the product page before buying or installing. Keep your order confirmation and delivery email available during setup.

Browse Windows software · Browse Microsoft Office · Read the FAQ

Windows

Microsoft Office

Installation & Downloads

Use the instructions supplied with your order. Confirm compatibility and remove conflicting older Office installations when the relevant Microsoft installer advises it.

Windows installation help · Office download and installation help

Activation & Product Keys

A product key is used to activate a specific product or edition. A digital license can activate eligible Windows installations without entering the key again on the same device. Transfer and reinstallation rights depend on the product and license type.

Windows activation guide · Office activation guide

Troubleshooting

Check that the installed edition matches the product purchased, the device is online, its date and time are correct, and the key was entered without extra spaces. Never post a product key publicly.

Contact software support

Licensing

Retail, OEM and volume licenses can have different activation, device-assignment and transfer rules. Check the exact product description and current Microsoft terms before purchase.

Windows Home vs Pro · Windows Server Standard vs Datacenter

Microsoft 365

Microsoft 365 is generally subscription-based, while perpetual Office editions are typically one-time purchases for a specified version. Features, cloud services, supported devices and commercial-use rights vary.

Microsoft 365 licensing right-sizer

Windows Server

Server licensing depends on the edition, physical cores, virtual workloads and required access licenses. Confirm current Microsoft Product Terms for your deployment.

Browse Windows Server licenses and CALs · RDS CAL installation guide

Business

Confirm device count, user count, compatibility, commercial-use rights and whether centralized administration or server access is required.

Choose Office 2024 for business · Ask a licensing question

Orders & Delivery

Products are delivered electronically by email. The current delivery policy asks customers to allow up to 2 hours and notes that payment verification or order processing can extend delivery to 12 hours. Check Spam, Junk and Promotions folders first.

Read the digital delivery policy · Get order help

Payments & Refunds

Refund and cancellation eligibility depends on the current store policy and order status. Review the policy before requesting a refund or cancellation.

Read the refund policy · Contact support

Frequently Asked Questions

Where will I receive my product key?

Digital products are sent to the email address used at checkout. Check Spam, Junk and Promotions if the email is missing.

Can I reinstall the software?

Reinstallation and transfer rights depend on the product, edition and license type.

Why is my product key not working?

Possible causes include an edition mismatch, typing error, prior activation, connectivity issue or license restriction. Confirm the installed edition first.

View all frequently asked questions

Still Need Help?

Include your order number, product name, installed edition and exact error message. Never include your full product key in a public message.

Contact Support

Last updated: September 21, 2026. Reviewed by the SoftwareKeep editorial team. Microsoft product features and licensing rules can change; consult current Microsoft documentation when a decision depends on current terms.