Widely Compatible: This DIY mechanical keyboard kit is suitable for Win XP, for Vista, for Win 7, for Win 8, for Win 10, for Win 11, for OS X. Please Note: When installing the switch, check whether the pin of the switch is bent. When installing, the hot swap switch bed needs to be inserted vertically. High Hardness: This custom mechanical keyboard with ABS shell features high hardness, including positioning plate, sound insulated silicone, soundproof sponge. 67 Keys: This 67 keys mechanical keyboard DIY kit allows you to DIY your favorite keyboard with any switch and keycaps. Switch Hot Swap: This DIY mechanical keyboard features switch hot swap, integrating with ABS panel, which ensures longer service life. It supports standard height 5pin switch and 3pin switch.