Here you are, you have just solved step A1.

The instructions for the next step (A2) follow this text,
but they are encoded in rot13.

At this stage, you should already be able, within just a few seconds, to
discover what rot13 is, and to find out an easy way to decode it.

Ibvyn, yr ebg13 rfg qrpbqr.

Fv ibhf rgrf znyvaf, ibhf nirm fnaf qbhgr erznedhr dhr yr jro ertbetr
qr pbqrhe/qrpbqrhe ebg13 ra yvtar, qbap, ha oba zbgrhe qr erpurepur n
yn znva, ba gebhir encvqrzrag fba obaurhe (rg p'rgnvg ovra yr ohg qr
y'rkrepvpr !). Yrf Rznpfvraf nhebag cersrer Z-k ebg13-ertvba ERG, znvf
p'rfg har nhger uvfgbver.

Abhf abhf eraqbaf znvagranag fhe Punzvyb. Punzvyb rfg npprffvoyr
qrchvf y'npphrvy qr y'vagenarg Rafvznt (uggcf://vagenarg.rafvznt.teraboyr-vac.se/).
Nyyrm-l, rg gebhirm (pr a'rfg cnf snpvyr) yr pbhef Rafvznt « Rafvznt 3ZZHAVK Havk :
vagebqhpgvba rg cebtenzzngvba furyy ». Bhierm y'bhgvy « Qbphzragf » :
ibhf gebhirerm ha qbphzrag dhv rfg y'égncr N3 qh wrh qr cvfgr.