Full list of all 75 The Elder Scrolls V: Skyrim achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 3 DLC packs containing 25 achievements.
Make a smithed item, an enchanted item, and a potion
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete 50 Misc Objectives
Chop wood, mine ore, and cook food
Complete "Bound Until Death"
Read 50 Skill Books
Complete 10 side quests
Reach Level 50
Learn 20 shouts
Complete "Glory of the Dead"
Become a member of the Circle
Complete "The Eye of Magnus"
Complete "Revealing the Unseen"
Complete "Dragonslayer"
Complete "The Fallen"
Join the Dark Brotherhood
Complete "Darkness Returns"
Absorb 20 dragon souls
Join the Thieves Guild
Acquire a Daedric Artifact
Successfully persuade, bribe, and intimidate
Discover 100 Locations
Get a skill to 100
Join the Stormcloaks or the Imperial Army
Reach Level 25
Complete "Elder Knowledge"
Join the College of Winterhold
Complete "Alduin's Wall"
Complete "Diplomatic Immunity"
Join the Companions
Reach Level 10
Learn all three words of a shout
Complete "The Way of the Voice"
Absorb a dragon soul
Complete "Bleak Falls Barrow"
Reach Level 5
Select a Standing Stone blessing
Complete "Unbound"
Returned the Thieves Guild to its former glory
Complete "Hail Sithis!"
Pick 50 locks and 50 pockets
Find 13 Standing Stones
Buy a house
Escape from jail
Get married
Bounty of 1000 gold in all nine holds
Have 100,000 gold
Clear 50 dungeons
Collect 15 Daedric Artifacts
Learn all 3 words of Dragon Aspect
Complete "At the Summit of Apocrypha"
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim
Learn the secrets of 5 Black Books
Craft an item out of Stalhrim
Tame and ride 5 dragons
Own a house in Raven Rock
Discover 30 locations on the island of Solstheim
Complete "Kindred Judgment"
Learn all three words of Soul Tear
Complete "Beyond Death"
Complete "Awakening"
Complete "Lost to the Ages"
Use the special power of Auriel's Bow
Acquire 11 werewolf perks
Acquire 11 vampire perks
Change your face
Defeat a Legendary Dragon
Build three wings on a house
Buy a plot of land
Adopt a child
Buy three plots of land
Build three houses