You register in person at your local Tax Agency office. Note that you need to bring different documents depending your citizenship.
We explain Sweden
Once you’ve arrived in Sweden and received your residence permit, you should register at the Swedish Tax Agency – Skatteverket. This has two main functions: it adds you to the Swedish Tax System and assigns you with a unique identification number, a so called personnummer.
You register in person at your local Tax Agency office. Note that you need to bring different documents depending your citizenship.
Having a Swedish ID-card will make your life in Sweden a lot easier as you will need it all the time. This is how you get one.