It is available now. However, many of the forms and schedules have not been updated for tax year 2022. The software will be updated many times during the tax year after the IRS finalizes and approves forms and schedules for 2022.
Go to this TurboTax website to purchase and download one of the 2022 TurboTax desktop editions - https://turbotax.intuit.com/personal-taxes/cd-download/
Although you can purchase the CD now they are usually not mailed out until later in the month. I highly recommend you simply buy the downloaded version instead since the only thing on the CD is a beta version of the installation file.
CD/DOWNLOAD (This requires a full PC or Mac—-cannot be used on a mobile device)
https://turbotax.intuit.com/personal-taxes/cd-download/
You can also purchase the CD/download from various retailers such as Costco, Amazon, Walmart, Best Buy, Staples, Sam’s Club, etc. etc. etc.
This link Where can I obtain authentic TurboTax software? has a list of authorized TurboTax resellers.
And if you buy the download it might be easier to reinstall again in the future or on another computer. Even though you can install Turbo Tax 5 times, people have had trouble installing from the CD again. The last couple years the CD only let you use it 1 time.