Passordbyttet tar tid.

It is a compound noun:

• passord = password
• bytte = change / switch

So passordbytte means password change.

The form in the sentence is passordbyttet, which is the definite singular form: the password change.

Because Norwegian often adds an ending to the noun to show the.

For a neuter noun like et passordbytte, the definite singular is usually formed with -t or -et:

• et passordbytte = a password change
• passordbyttet = the password change

So passordbyttet tar tid literally means the password change takes time.

In Norwegian, definiteness is often built into the noun itself instead of using a separate article.

Compare:

• English: the password change
• Norwegian: passordbyttet

This is very common in Scandinavian languages. The noun ending does the job that the does in English.

In Norwegian, tid is often used without an article when it means time in a general sense.

So:

• tar tid = takes time

This works like a general, uncountable idea of time, not a specific time.

You will see this pattern a lot:

• Det tar tid. = It takes time.
• Arbeidet tar tid. = The work takes time.

Tar is the present tense of ta (to take).

• ta = to take
• tar = takes / is taking

So Passordbyttet tar tid is in the present tense: The password change takes time.

Depending on context, English might also translate it more naturally as:

• Changing the password takes time
• The password reset takes time

This is normal Norwegian main-clause word order:

• Passordbyttet = subject
• tar = verb
• tid = object/complement

So it follows the basic pattern:

Subject + verb + rest

Just like in English:

• The password change
  • takes
    • time

Yes. Even though the Norwegian sentence literally looks like The password change takes time, in natural English the idea may often be expressed as:

• Changing the password takes time
• A password change takes time
• The password reset takes time

The best English version depends on context. Norwegian often uses nouns where English might prefer an -ing form.

Yes. Norwegian uses compound words very freely, just like German and often more than English does.

Here, two parts are joined into one word:

• passord
  • bytte = passordbytte

This is very normal. Other examples of the same pattern are:

• telefonnummer = telephone number
• brukernavn = username
• passordregel = password rule

A good rule is: if English uses several words, Norwegian may often use one compound word instead.

Yes. That would mean:

• Et passordbytte tar tid. = A password change takes time.

The difference is:

• Passordbyttet tar tid. = The password change takes time
  → a specific password change, or one already known from context

• Et passordbytte tar tid. = A password change takes time
  → a general statement, or one example of such a change

On its own, bytte can be both:

• a verb: å bytte = to change / swap
• a noun: et bytte = a swap / exchange, and in compounds it can help form nouns like passordbytte

In passordbyttet, it is part of a noun, not a verb. The actual verb in the sentence is tar.