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CS50x: Introduction to Computer Science

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Harvard's introduction to computer science, with a certificate issued free from the university's own page.

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Open the provider's page

The link goes to the provider's own site. You enrol there, not here.

Provider
Harvard CS50
What you get
a certificate
Weight on a CV
strong brand
Time cost
~100 h
Validity
No cut-off date
Language
in English
Verified
7 August 2026

What this is

CS50x is a full university semester: C, Python, SQL, JavaScript, algorithms, memory, and a final project of your own. The certificate requires all nine problem sets plus that project, so it is not an attendance paper.

There are two different documents here and confusing them is the most common mistake: the edX verified certificate is a paid product, while Harvard CS50's own certificate is generated for free on cs50.harvard.edu. Same course, and only the first one costs money.

Who it is for

Anyone starting programming from zero who wants that start to read as something real to an employer.

How to get it

  1. 1Open Harvard CS50 and create a free account. No card is asked for at any point.
  2. 2Work through the material, ~100 h in total. It is self-paced, so the time is yours to spread.
  3. 3Complete every module. The document is issued on completion, not on an exam result.
  4. 4Download the certificate as a PDF and keep the verification link, which is what an employer actually checks.

From Georgia

Nothing blocks it from Georgia: an email address and a GitHub account are all that is asked for, and a card never appears.

What to watch for

The 100 hours are optimistic if you have never programmed. Every assignment must be passed; skipping one means no certificate.

Where this helps

Live remote vacancies in the same direction. You apply on the employer's own site; the board itself is written in Georgian.

All remote vacancies

Frequently asked questions

Is CS50x: Introduction to Computer Science really free?

Harvard's introduction to computer science, with a certificate issued free from the university's own page. The credential itself costs nothing: what you receive is a certificate. Checked against Harvard CS50's own page on 7 August 2026.

How long does CS50x: Introduction to Computer Science take?

Harvard CS50 states roughly 100 hours. It is self-paced, so that is an evenings-and-weekends number rather than a schedule.

Can I take it from Georgia?

Nothing blocks it from Georgia: an email address and a GitHub account are all that is asked for, and a card never appears.

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