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You may contact Keil technical support via E-mail, Phone, FAX, or by using our online assistance request form.

When contacting our support department, be sure to include your name, company name, PSN (Product Serial Number) or LIC (License ID Code), along with any pertinent source code. If you have a MAP file or LISTING file that clearly illustrates the problem, please include it as it may help us resolve your issue more quickly.

In North and South America:
Support: Submit support case.
Toll-Free: +1 800 648 0251 – Customers from the US and Canada
Toll-Free: +1 800 668 0360 – Customers from Mexico
Phone: +1 972 312 1107

Business Hours and Days
In Africa, Asia, Australia, and Europe:
Support: Submit support case.
Phone: +49 89 456040-24
FAX: +49 89 468162
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