Change MBR to GPT without data loss

[Windows 10]

Hi,I have multiple SSDs and external HDD connected to PC. All are MBR. SSD with Win 10 installed have two partitions. I wanted to upgrade to Win 11 and I have supported HW (check in PC Health utility) but I need to enable Secure Boot which I cant do because of MBR if I understood correctly. If not please correct me.Since I have lot of data on pc obviously I would like to convert without data loss or corruption on either of disks.I have 3 questions: 1. Is it possible to convert from MBR to GPT without data loss and preferably with native Windows/Microsoft tool?2. Is it enough to convert only SS

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