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