Below are the steps you must take.
1. Use a secure device. Be careful of malicious software. Conduct a full antivirus scan on your device prior to using the website.
2. Have the following hardwares ready.
PC: The website is optimized for Personal Computers. Apple and Android smartphones will work, but the task of handling sensitive files will require an OTG cable and additional security measures. We have not tested tablets, so don't use them. Make sure to scan the PC with the latest, market proven antivirus software to remove any malware.
Inkjet printer: Use the simplest model of a globally renowned brand that has no memory chip, so that there is no stored data to be hacked. It is needed in order to print (in an offline environment) valuable information such as the "Satori_keys" document. Do NOT select wireless to print. To print, the PC and printer must be directly connected with a physical cable. Lastly, use genuine factory ink cartridges. Do not use refurbished ones because what is printed on the paper is only as valuable as the quality and durability performance of the ink cartridges.
Storage media: Choose a USB flash drive or SD memory card. Fully format it first, scan it with an antivirus software, then store the sensitive "Satori_keys" download file. After making sure that the file has been successfully printed (while offline), delete the file by formatting the media once again or safeguard it in a secure location such as a bank safe deposit box. If you accidentally delete the data without printing first, recovery will become impossible, so be extra careful !
OTG Cable: On The Go cable is needed to transfer sensitive files from smartphone to storage media. Purchase a new one from a reliable seller because there are malicious cables in the market that perform data exfiltration, GPS tracking and audio eavesdropping.
3. Be experienced with these procedures.
Sending BTC: If you have never sent BTC, as a test, you should send a small amount of BTC to a self made new address. Do it a few times, it is easy. Let's get familiarized with your BTC wallet first. *Note: Each time you send, you will need to separately pay a transaction fee.
Setting privacy browser mode: This is exclusive and important for Private Key Verification. It pertains to PCs and smartphones. During this phase, you will be instructed to go into Privacy Browsing mode. The verification page will use one of the two private keys to verify the validity of the PDF document's information. When your browser is put into Privacy Browsing mode, each browser will ensure that installed extensions do not run, and web pages do not store any data after you close the Privacy Browsing tab. This is crucial to guarantee that your private key data is not being saved in the browser anywhere. During a later step in this process we will also ask that you disconnect the internet from your device (not now). This will also make sure that no data is being sent from the web page to any servers on the internet. Privacy Browsing ensures some browser extension or malicious script isn't saving your private key (to send somewhere later), and going offline (not now, later) makes sure that the private key doesn't leave the page while you are verifying it.